when the light ray enters the air from the water, will the refracted light ray bend further from or closer to the normal?

Answers

Answer 1

Yes, when a light ray enters from water to air, it will bend further from the normal. This phenomenon is known as refraction, and is caused by the difference in speed between light passing through the two different materials. The light ray will slow down when passing through water, so it will bend closer to the normal.

When a light ray enters the air from water, the light ray will refract closer to the normal. This is due to the fact that light travels faster through air than through water, so when the light enters the air, it bends towards the normal. The amount of refraction is determined by the index of refraction of each material. Since the index of refraction of air is lower than the index of refraction of water, the light ray will bend closer to the normal.

To better understand this, imagine a light ray traveling from a denser material (like water) to a less dense material (like air). As the light ray enters the air, the speed of the light increases, causing it to bend closer to the normal. This is due to the law of refraction, which states that the angle of refraction is inversely proportional to the speed of the light ray. In summary, when a light ray enters the air from water, it will refract closer to the normal. This is due to the fact that light travels faster through air than through water, so the light ray bends towards the normal. The amount of refraction is determined by the index of refraction of each material, with the lower index refraction material (air) resulting in the light ray bending closer to the normal.

For more questions related to refraction.

https://brainly.com/question/14760207

#SPJ11


Related Questions

what electric field strength is needed to create a 6.0 a a current in a 1.7- mm m m -diameter iron wire?

Answers

The electric field strength needed to create a 6.0 A current in a 1.7-mm-diameter iron wire is 5.5 x 105 V/m.

The electric field strength needed to create a 6.0 A current in a 1.7-mm-diameter iron wire, we can use Ohm's law, which states that the voltage (V) equals the current (I) multiplied by the resistance (R).

Since the resistance of an iron wire is given by R=ρL/A, where ρ is the resistivity, L is the length of the wire, and A is its cross-sectional area, we can rearrange Ohm's law to get the voltage V=IR.

For the given wire, the cross-sectional area is A=πd2/4, where d is the diameter of the wire, the resistance to be R=ρL/(πd2/4).

V=IR, and rearranging to solve for I, we get I=V/R. The electric field strength needed to create a 6.0 A current in a 1.7-mm-diameter iron wire to be E=V/L=V/(ρL/A)=Vπd2/(4ρL).

The electric field strength needed for a given wire of any diameter and any length. However, for the given parameters, electric field strength to be E=6.0/(1.7 x 10-3 x 10-2/(4 x 10-7 x 8.0))=5.5 x 105 V/m.


The electric field strength needed to create a 6.0 A current in a 1.7-mm-diameter iron wire is 5.5 x 105 V/m.

to know more about electric field refer here:

https://brainly.com/question/15800304#

#SPJ11

Using this circuit below, find the Norton's equivalent circuit about terminals a and b. Req and leg are the equivalent resistance and current used in the Norton's equivalent ciruict. V1 = 10 V, R1 = 4ohms, R2 = 8ohms „R₃ = 8ohms Select one: a. leq = -2.5 A, Req = 2 ohms b. leq = 2.5 A, Req = 2 ohms c. leq = 2.5 A, Req = 64 ohms d. leq = -2.5 A, Req = 12.8 ohms

Answers

The Norton's equivalent circuit and equivalent resistance of the given circuit is leq = 2.5 A, Req = 2 ohms. The correct answer is option b.

Norton's equivalent current, iNorton is calculated by dividing the voltage source by the series resistance of R2 and R3.

iNorton = V1 / (R2 + R3)

iNorton = 10 / (8 + 8)

iNorton = 0.625 A

Norton's equivalent resistance, RNorton is calculated by using the formula;

RNorton = R2 || R3

RNorton = (R2 x R3) / (R2 + R3)

RNorton = (8 x 8) / (8 + 8)RNorton = 4 ohms

Therefore, Norton's equivalent circuit is given by the current source of 0.625 A and the resistance of 4 ohms, connected across terminals a and b. The correct answer is option B; leq = 2.5 A, Req = 2 ohms.

To know more about equivalent resistance click here:

https://brainly.com/question/12286223

#SPJ11

a 60 kg dancer applies a horizontal force of -800 n on the dance floor. the dancer's acceleration will be

Answers

The acceleration of the dancer who applies a horizontal force of -800 N on the dance floor will be 13.33 m/s².

The formula used to calculate acceleration is as follows:F = m × a

where,F is the force,m is the mass, and,a is the acceleration

Substituting the given values in the above formula, we get:

-800 N = 60 kg × a

We can solve this equation for a, which will give us the acceleration of the dancer.

a = (-800 N) / (60 kg) = -13.33 m/s²

Therefore, the acceleration of the dancer will be 13.33 m/s².

To learn more about acceleration:

https://brainly.com/question/12550364#
#SPJ11

measurements show a certain star has a very high luminosity (100,000 x the sun's) while its temperature is quite cool (3500 k). how can this be?

Answers

The star might be quite large in size, with a much larger surface area than the sun. This would increase its luminosity despite its cooler temperature.

The star has a high luminosity (100,000 x the sun's) and a cool temperature (3500 K) because of its size.

A star's luminosity is proportional to its size, so if a star is very large, it can have a high luminosity even if it is relatively cool.

Another possibility is that the star is in a phase of its life cycle where it has expanded and cooled, such as a red giant or supergiant, but still retains a high luminosity due to its large size.

These stars have relatively low surface temperatures, but their large sizes give them very high luminosities.

Therefore, this star is likely very large and thus has a very high luminosity despite its low temperature.

Learn more about Luminosity and temperature here:

brainly.com/question/31014896

#SPJ11

what is the distance between your eye and the image of the butterfly in the mirror? explain your answer.

Answers

The distance between your eye and the image of the butterfly in the mirror is: the same as the distance between your eye and the actual butterfly

The distance between your eye and the image of the butterfly in the mirror is the same as the distance between your eye and the actual butterfly, which is the sum of the distance from your eye to the mirror and the distance from the mirror to the butterfly.

To calculate this, we need to measure the distance from your eye to the mirror, which can be done using a ruler or tape measure, and then measure the distance from the mirror to the butterfly, which can be done using a ruler or tape measure as well. Once we have these two measurements, we can simply add them together to get the total distance between your eye and the image of the butterfly in the mirror.

To clarify further, let's use an example. If your eye is 10 cm away from the mirror and the butterfly is 30 cm away from the mirror, then the total distance between your eye and the image of the butterfly in the mirror is 40 cm. This is because 10 cm (from your eye to the mirror) + 30 cm (from the mirror to the butterfly) = 40 cm.

To know more about distance refer here:

https://brainly.com/question/15172156#

#SPJ11

what principle states that the buoyant force experienced by an object is exactly equal to the weight of the fluid displaced?

Answers

The principle that states that the buoyant force experienced by an object is exactly equal to the weight of the fluid displaced is known as Archimedes' Principle. What is Archimedes' Principle? Archimedes' Principle is a scientific law that explains how objects behave in fluids (liquids and gases).

The buoyant force of an object in a fluid is equal to the weight of the fluid displaced by the object according to this principle. This principle is valid for any fluid and any object as long as the buoyancy and weight of the object and fluid are calculated correctly.

The force that causes objects to float or sink in fluids is known as buoyancy. The buoyant force on an object is the net upward force exerted by the fluid in which the object is submerged.

When an object is immersed in a fluid, the fluid exerts an upward force on the object. This buoyant force opposes the weight of the object and causes it to float if the buoyant force is greater than the weight of the object.

To know more about buoyant force refer here:

https://brainly.com/question/21990136#

#SPJ11

if two flutists play their instruments together at the same intensity, is the sound twice as loud as that of either flutist playing alone at that intensity? why or why not?

Answers

No, the sound wouldn't be twice as loud as that of either flutist playing alone at that intensity. The increase in sound intensity would be less than twice as loud.

This is because when two sound waves coincide, the amplitude of the resulting sound wave is the sum of the amplitudes of the individual sound waves. That is, when two identical sound waves come together, they create a new sound wave that is slightly louder than the original sound wave, but not twice as loud.

Furthermore, sound intensity is affected by the distance from the sound source, and when two flutists are playing together, the sound waves produced have to travel further before they reach the listener, thus reducing the intensity of the sound.

Know more about flutist here

https://brainly.com/question/2386102#

#SPJ11

Hodan carried a box of (5,4)m. The box had a mass of 5kg. Hodan said that over 300J of work was done on the box. Is she correct, explain your answer​

Answers

Answer:

hdjsigosorodcdjjgjejfiroodofohov jdjvjwigioeofe

what would its landing speed have been in the absence of air resistance? express your answer using two significant figures.

Answers

The landing speed of the ball in the absence of air resistance would be 14 m/s.

The landing speed of an object in the absence of air resistance can be calculated by considering the conservation of energy.

The initial energy of the object will be equal to the final energy of the object when it reaches the ground.

A ball falling from a height h with an initial velocity u.

The gravitational potential energy of the ball is given by mgh, where m is the mass of the ball, g is the acceleration due to gravity, and h is the height of the ball.

The kinetic energy of the ball is given by 1/2 mu², where u is the initial velocity of the ball.

At the ground level, the gravitational potential energy of the ball will be zero, and the kinetic energy of the ball will be given by 1/2 mv², where v is the velocity of the ball when it reaches the ground.



mgh + 1/2 mu² = 1/2 mv²

Solving for v, we get:

v = sqrt(2gh + u²)

In the absence of air resistance, the ball will continue to fall with an acceleration of g. Therefore, we can assume that the initial velocity u is equal to zero. Thus, the equation reduces to:

v = sqrt(2gh)

g = 9.8 m/s², we can calculate the landing speed of the ball for a given height h. For example, if the ball is dropped from a height of 10 meters, then the landing speed of the ball will be:

v = sqrt(2gh) = sqrt(2*9.8*10) = 14 m/s

Therefore, the landing speed of the ball in the absence of air resistance would be 14 m/s.

to know more about resistance refer here:

https://brainly.com/question/30799966#

#SPJ11

you compress a piston full of gas and do 8.4 joules of work on it. if the internal energy (u) of the system increases by 3.3 joules, how much heat (in joules) left the system (give your answer as a positive number)?

Answers

The amount of heat that left the system is 11.7 joules (given as a positive number).

When a piston is compressed fully with gas and 8.4 joules of work is done on it, and the internal energy (u) of the system is increased by 3.3 joules, we need to determine the amount of heat that left the system.

To determine the amount of heat that left the system, we need to use the First Law of Thermodynamics, which states that the change in internal energy (u) of a system is the sum of the heat (q) added to it and the work (w) done on it, which can be represented as:

u = q + w

Where, u = Change in internal energy of the system

q = Heat added to the system

w = Work done on the system

From the given information, w = -8.4 J (since work was done on the system), and u = 3.3 J.

Therefore, substituting these values in the above equation, we get:

3.3 J = q + (-8.4 J)3.3 J + 8.4 J

q = 11.7 J

For more question on heat click on

https://brainly.com/question/934320

#SPJ11

a load of 12 kg stretches a spring to a total length of 15 cm, and a load of 30 kg stretches it to a length of 18 cm. find the natural (unstretched) length of the spring.

Answers

The natural length of the spring is therefore 12.97 cm.

The natural length of the spring is found by calculating the spring constant using the Hooke's law formula. Spring constant (k) = Force (F) / extension (x). The natural length of the spring refers to the length of the spring when it is not carrying any load. Hooke's law states that the force required to extend or compress a spring by a distance x is proportional to that distance. Mathematically, F=kx, where F is the force applied, x is the displacement from the equilibrium position, and k is the spring constant. To find the natural length of the spring, we need to calculate the spring constant.

To do this, we use the data given in the problem. A load of 12 kg stretches the spring to a total length of 15 cm. We can find the force applied by multiplying the load by the acceleration due to gravity (g), which is 9.8 m/s^2. Thus, F = mg = 12 * 9.8 = 117.6 N. The extension of the spring is given as x = 15 cm - x0, where x0 is the natural length of the spring. Thus, x = 0.15 m - x0. Substituting these values into Hooke's law, we get: k = F/x = 117.6/(0.15 - x0)

Similarly, when a load of 30 kg stretches the spring to a length of 18 cm, we can find the force applied as F = mg = 30 * 9.8 = 294 N. The extension is given as x = 0.18 m - x0. Substituting these values into Hooke's law, we get: k = F/x = 294/(0.18 - x0)

Now we have two equations for k, so we can set them equal to each other: 117.6/(0.15 - x0) = 294/(0.18 - x0) Cross-multiplying and simplifying, we get: 117.6(0.18 - x0) = 294(0.15 - x0) 21.168 - 117.6x0 = 44.1 - 294x0 176.4x0 = 22.932 x0 = 0.1297 m

The natural length of the spring is therefore 12.97 cm.

For more such questions on Hooke's law.

https://brainly.com/question/30611861#

#SPJ11

a baseball has a mass of 145 g. a pitcher throws the baseball so that it accelerates at a rate of 80 m/s2. how much force did the pitcher apply to the baseball?(1 point)

Answers

The amount of force that the pitcher applies to the baseball is 11.6N.

How to calculate force?

Force is a physical quantity that denotes ability to push, pull, twist or accelerate a body. It can be calculated by multiplying the mass of the object by its acceleration as follows;

Force = mass × acceleration

According to this question, a baseball has a mass of 145 g. A pitcher throws the baseball so that it accelerates at a rate of 80 m/s². The force applied on the baseball can be calculated as follows:

Force = 145/1000 kg × 80m/s²

Force = 11.6N

Learn more about force at: https://brainly.com/question/25116504

#SPJ1

The sound level produced by one singer is 71.8 dB. What would be the sound level produced by a chorus of 45 such singers (all singing at the same intensity at approximately the same distance as the original singer)? Answer in units of dB.

Answers

The sound level produced by a chorus of 45 singers would be approximately 88.3 dB.

How to find the sound level produced by a chorus of 45 singers?

Assuming that the sound level of each singer is independent and the same, the sound level produced by a chorus of 45 singers can be calculated using the following formula:

L2 = L1 + 10 log (N2/N1)

where:

L1 = the sound level of one singer = 71.8 dB

N1 = the number of singers in the original group = 1

N2 = the number of singers in the new group = 45

L2 = the sound level of the new group

Substituting the values in the formula, we get:

L2 = 71.8 + 10 log (45/1)

L2 = 71.8 + 10 log (45)

L2 = 71.8 + 16.5

L2 = 88.3 dB

Therefore, the sound level produced by a chorus of 45 singers would be approximately 88.3 dB, assuming all the singers are singing at the same intensity at approximately the same distance as the original singer.

Learn about sound level here https://brainly.com/question/15118883

#SPJ1

a 170-hz sound travels through pure helium. the wavelength of the sound is measured to be 5.92 m. what is the speed of sound in helium?

Answers

The speed of sound in pure helium is approximately 1006.4 m/s.

When a sound wave travels through a medium, it produces a series of compressions and rarefactions in the medium, which causes the particles of the medium to vibrate. The speed of sound in a particular medium depends on the physical properties of the medium, such as its density, elasticity, and temperature.

The speed of sound in helium can be calculated using the formula,

speed of sound = frequency x wavelength

Given that the frequency of the sound is 170 Hz and the wavelength is 5.92 m, we can plug in these values and get,

speed of sound = 170 Hz x 5.92 m

speed of sound = 1006.4 m/s

To know more about sound, here

brainly.com/question/17095610

#SPJ4

an object falls freely from rest on a planet where the acceleration due to gravity is 20 m/s2. after 5 seconds, the object will have a speed of

Answers

Answer : If an object falls freely from rest on a planet where the acceleration due to gravity is 20 m/s2 then after 5 seconds, the object will have a speed of  100 m/s

This can be calculated using the equation v = a*t, where v is the velocity, a is the acceleration due to gravity, and t is the time elapsed. Therefore, in this case, v = 20 m/s2 * 5 s = 100 m/s.  These values are given in question, so we just have to put them in equation.

Since the object is falling freely, its acceleration remains constant and it follows a uniform acceleration motion. Therefore, the velocity of the object will increase linearly with time. After 10 seconds, the velocity will double to 200 m/s, and so on.

Know more about gravity here:

https://brainly.com/question/14874038

#SPJ11

if the club and ball are in contact for 1.80 ms , what is the magnitude of the average force acting on the ball?

Answers

The average force acting on the golf ball is 0.637 N.

To calculate the average force acting on the golf ball, we will use the equation

F = m*a

where F is the average force, m is the mass of the golf ball, and a is the acceleration.

To calculate the acceleration, we can use the equation

a = (vf - vi)/t

where vf is the final velocity, vi is the initial velocity (0 m/s in this case), and t is the time of contact. We know that the final velocity is 25.0 m/s, and the time of contact is 1.80 ms.

Therefore, we can calculate the acceleration to be

a = (25.0 m/s - 0 m/s) / 1.80 ms

a = 13.89 m/s².

Now that we have the mass and acceleration, we can calculate the average force. Using the equation F = m*a, the average force on the golf ball is

F = 0.0450 kg * 13.89 m/s² = 0.637 N.

Learn more about  force acting at https://brainly.com/question/29268524

#SPJ11

calculate the force required to stop a car of mass 1400 kg in 2 seconds if it is moving with a velocity of 10 m/s.

Answers

The force required to stop a car of mass 1400 kg in 2 seconds if it is moving with a velocity of 10 m/s is 7000 N in the opposite direction to the car's motion.

Calculate the force required to stop a car of mass 1400 kg in 2 seconds if it is moving with a velocity of 10 m/s.

To solve the given problem, we can use the equation:

F = (m * Δv) / Δt

where F = force

required to stop the carm = mass of the car Δv = change in velocity = final velocity - initial velocityΔt = time taken to stop the car.

Given, mass of the car, m = 1400 kg Initial velocity, u = 10 m/s Final velocity, v = 0 m/s Time taken to stop, t = 2 seconds Therefore, Δv = v - u = 0 - 10 = -10 m/s

Substituting the given values in the above equation, we get:

F = (m * Δv) / Δt = (1400 kg * (-10 m/s)) / (2 s) = -7000 N

Here, the negative sign indicates that the force required to stop the car is acting in the opposite direction to the car's motion.

for such more question on force

https://brainly.com/question/12785175

#SPJ11

what is the speed acquired by a freely falling object 5 s after being dropped from a rest position? what is the speed 6 s after?

Answers

The speed acquired by the body is 49m/s and 59m/s respectively.

The speed can be calculated using the formula:

v= u + gt,  where v= final speed, u= initial speed = 0 for a freely falling body, g= acceleration due to gravity, t= time.

The speed acquired by a freely falling object 5 seconds after being dropped from a rest position is 49 m/s. This is because an object dropped from rest will accelerate at a rate of 9.8 m/s², so after 5 seconds it will be moving at a speed of 5 * 9.8 = 49 m/s.

The speed 6 seconds after being dropped from a rest position is approximately 59 m/s. This is because an object dropped from rest will accelerate at a rate of 9.8 m/s², so after 6 seconds it will be moving at a speed of 6 * 9.8 = 58.8 m/s.


In summary, the speed of an object dropped from rest 5 seconds after being dropped is 49 m/s, and 6 seconds after it is approximately 59 m/s.

To know more about speed, refer here:

https://brainly.com/question/17661499#

#SPJ11

determine the capacitance of a teflon-filled parallel-plate capacitor having a plate area of 1.80 cm2 and a plate separation of 0.020 0 mm.

Answers

To determine the capacitance of a teflon-filled parallel-plate capacitor having a plate area of 1.80[tex]cm^{2}[/tex] and a plate separation of 0.0200 mm, we can use the formula for capacitance: C = εo εr A/d, when the values are plugged in, the capacitance is found to be [tex]1.54* 10^{-9}[/tex] Farads.

The capacitance of a teflon-filled parallel-plate capacitor having a plate area of 1.80[tex]cm^{2}[/tex] and a plate separation of 0.0200 mm is determined using the formula C = εo A/d, where C is the capacitance, εo is the permittivity of free space, A is the area of the plates, and d is the distance between the plates.

In this case, the capacitance is C = 8.85 x 10-12 A/d x 1.80[tex]cm^{2}[/tex]  / 0.0200 mm = [tex]1.54* 10^{-9}[/tex] Farads.

To explain this calculation further, the permittivity of free space is a constant value equal to [tex]8.85 * 10^{-12}[/tex] A/d, which is derived from the equation εo = 1/ (μoc2), where μo is the permeability of free space, and c is the speed of light. The area of the plates is given in the problem statement as 1.80 [tex]cm^{2}[/tex], and the distance between the plates is given as 0.0200 mm.

When these values are plugged into the formula, the capacitance is found to be [tex]1.54* 10^{-9}[/tex]Farads. In conclusion, the capacitance of a teflon-filled parallel-plate capacitor having a plate area of 1.80 [tex]cm^{2}[/tex] and a plate separation of 0.0200 mm is 1.54 x 10-9 Farads.

For more questions related to capacitance.

https://brainly.com/question/28445252

#SPJ11

if 22.5L of nitrogen at 748 mm Hg are compressed to 725 mm hg at constant temperature what is the new volume?

Answers

The new volume is approximately 23.16 L when the nitrogen gas is compressed from 748 mmHg to 725 mmHg at constant temperature.

Use the combined gas law to determine the relationship between a gas's pressure, volume, and temperature:

P1V1/T1 = P2V2/T2

where the gas's starting pressure, volume, and temperature are P1, V1, and T1, and its ultimate pressure, volume, and temperature are P2, V2, and T2.

The equation may be made simpler by saying: since the temperature is constant.

P1V1 = P2V2

Substituting the given values, we get:

725 mmHg × V2 = 748 mmHg × 22.5 L

Solving for V2, we get:

V2 = (748 mmHg × 22.5 L) / 725 mmHg

V2 = 23.16 L

A gas law known as the combined gas law connects a gas's pressure (P), volume (V), and temperature (T). It combines Boyle's law, Charles' law, and Gay-law, Lussac's three additional gas laws.

Learn more about Volume here:

https://brainly.com/question/18090062

#SPJ1

g a research rocket is launched from boulder straight towards the south. how would the coriolis effect change the path of the rocket?

Answers

For a rocket launched southward from Boulder, the Coriolis effect would cause it to drift to the east, leading to a curved flight path rather than a straight one.

The Coriolis effect is an important force to consider when launching a research rocket from Boulder. The Coriolis effect is the result of Earth's rotation and will cause any object moving along the surface of the Earth to veer to the right in the Northern hemisphere and to the left in the Southern hemisphere.

This effect is most noticeable for objects traveling long distances, such as a rocket. As it continues to fly south, the Coriolis force will continue to act upon it, increasing the curvature of its path. The magnitude of the Coriolis force depends on the speed of the object and its distance from the poles. Therefore, the more time the rocket has to travel, the more it will be deflected from its intended path.

The Coriolis effect is an important factor to consider for any research rocket launch. It has the potential to affect the accuracy and success of the mission and must be taken into account when planning a launch trajectory.

For more such questions on Coriolis effect.

https://brainly.com/question/14290551#

#SPJ11

Complete Question:

A research rocket is launched from Boulder straight towards the south. How would the Coriolis effect change the path of the rocket?

a 70.0-g arrow, fired at a speed of 115 m/s to the left, impacts a tree, which it penetrates to a depth of 12.2 cm before coming to a stop. assuming the force of friction exerted by the tree is constant, what are the magnitude and direction of the friction force acting on the arrow?

Answers

The magnitude of the friction force is 0.788 N and it is directed to the right.

The friction force acting on the arrow is equal to the force required to stop the arrow and is directed opposite the direction of motion.

The magnitude of the friction force is equal to the product of the mass of the arrow (70.0 g) and the deceleration of the arrow (11.2 cm/s^2).

When the arrow hits the tree, the friction force of the tree will slow down the arrow's motion. The magnitude of this friction force is equal to the product of the mass of the arrow (70.0 g) and the deceleration of the arrow (11.2 cm/s^2).

The direction of the friction force will be opposite to the direction of the arrow's motion.

Therefore, the magnitude of the friction force is 0.788 N and it is directed to the right. This is because the arrow was fired to the left and the friction force must be equal and opposite in order to bring the arrow to a stop.

To know more about friction force click on below link:

https://brainly.com/question/30280752#

#SPJ11

a 4.0 kg body has two times the kinetic energy of an 8.5 kg body. calculate the ratio of the speeds of these bodies.

Answers

The ratio of the speeds of these bodies is 2.06

The kinetic energy of an object is equal to 1/2mv^2.
For the 4.0 kg body, the kinetic energy is 1/2 (4.0 kg)v^2
For the 8.5 kg body, the kinetic energy is 1/2 (8.5 kg)u^2

Given that the kinetic energy of the 4.0 kg body is twice the kinetic energy of the 8.5 kg body, we can set up the following equation:

1/2 (4.0 kg)v^2 = 2 * (1/2 (8.5 kg)u^2)

Simplifying the equation, we have:

2 (4.0 kg)v^2 = (8.5 kg)u^2

Solving for the ratio of the speeds, we get:

v^2/u^2 = (8.5 kg)/(2 (4.0 kg)) = 4.25

Therefore, the ratio of the speeds of the two bodies is equal to the square root of 4.25, which is approximately equal to 2.06.

So, the 4.0 kg body is moving at approximately 2.06 times the speed of the 8.5 kg body.

To know more about kinetic energy click here:

https://brainly.com/question/999862

#SPJ11

Question 8 of 10
Which three statements describe mechanical waves?
A. The waves can travel through empty space.
B. The waves need matter to transfer energy.
C. The waves transfer energy by causing particles of matter to
move.
D. The waves can transfer energy through solids, liquids, and gases.

Please help!

Answers

A. The waves can travel through empty space.

D. The waves can transfer energy through solids, liquids, and gases.

C. The waves transfer energy by causing particles of matter to move.

Mechanical waves are waves that require matter to transfer energy.

These waves transfer energy by causing particles of matter to move in the direction of the wave. This type of wave can travel through solids, liquids, and gases, but not through empty space.

There are two types of mechanical waves, longitudinal and transverse. Longitudinal waves are waves that travel in the same direction as the vibration of particles, while transverse waves travel perpendicular to the vibration of particles. An example of a longitudinal wave is a sound wave, while an example of a transverse wave is a water wave.

Mechanical waves are important to us as they are responsible for transferring energy through various mediums. For example, sound waves are propagated through the air and enable us to hear sound. This type of wave also transfers energy through solids, such as the vibrating strings of a guitar, and liquids, such as the waves of an ocean.

In conclusion, mechanical waves are waves that require matter to transfer energy and can transfer energy through solids, liquids, and gases. These waves travel in the same direction as the vibration of particles (longitudinal) or perpendicular to the vibration of particles (transverse). Mechanical waves are important to us as they transfer energy

Learn more about Mechanical waves here:

https://brainly.com/question/26116832

#SPJ1

the type of radiation affected by greenhouse gasses is group of answer choices uv radiation. ir radiation. visible radiation. gamma radiation.

Answers

Greenhouse gases are capable of absorbing: infrared radiation

Infrared radiation is a type of radiation affected by greenhouse gases. Greenhouse gases are capable of absorbing infrared radiation. Water vapor, carbon dioxide, and methane are the primary greenhouse gases. When the Earth receives energy from the sun, some of it is reflected and some is absorbed by the Earth.

The absorbed energy heats up the Earth's surface, which then radiates energy back out into the atmosphere in the form of infrared radiation. Greenhouse gases absorb some of this outgoing infrared radiation, which warms the atmosphere. This warming is known as the greenhouse effect.

The more greenhouse gases there are in the atmosphere, the more radiation they can absorb, and the warmer the Earth's surface will become. As a result, climate change can be caused by increases in greenhouse gases. As greenhouse gas levels rise, they absorb more of the outgoing radiation and the greenhouse effect becomes stronger. This causes the Earth's surface temperature to rise, leading to changes in the Earth's climate.

In summary, greenhouse gases are capable of absorbing infrared radiation, and as the concentration of greenhouse gases in the atmosphere increases, they become more effective at trapping heat and warming the Earth's surface, leading to changes in the Earth's climate.

To know more about greenhouse refer here:

https://brainly.com/question/1577730#

#SPJ11

question 3 (3 points) a horizontal wire carries a large current. a second wire carrying a current in the same direction is suspended below it. can the current in the upper wire hold the lower wire in suspension against gravity? justify your answer.

Answers

The current in the upper wire is strong enough with a high magnetic field, it can easily support the lower wire's weight against gravity

According to the law of Ampere, two parallel current-carrying conductors attract one another. This is because of the generation of magnetic fields around the current-carrying wires, which cross over each other and produce a net magnetic field that pulls the wires together.

Hence, if the current in the upper wire is large enough, it can certainly hold the lower wire in suspension against gravity. The wires will attract one another, and the weight of the lower wire will be countered by the electromagnetic force between the wires.

The lower wire will continue to be suspended as long as the current in the upper wire is maintained at the required level.

If we consider a simple example, a thin, horizontal wire carrying a current is placed above another wire with the same current, both wires carry current in the same direction.

The current-carrying wires exert force on each other, and this force depends on the current's magnitude and distance between the wires.

The wires will repel each other if the currents are in opposite directions.  If they are in the same direction, the wires will attract each other. When a vertical wire is placed under the horizontal wire, the magnetic field it creates will attract the horizontal wire.

For similiar question on magnetic field

https://brainly.com/question/26257705

#SPJ11

which of the following is an advantage of digital imaging? increased patient radiation exposure, increased chemical usage, increased speed for viewing images

Answers

One of the advantages of digital imaging is increased speed for viewing images.

Digital imaging is a technology that enables doctors to take X-rays, MRIs, CT scans, and other medical images, and store them digitally.

Digital imaging provides many advantages over traditional film-based imaging, such as increased speed for viewing images.

Digital imaging is a medical technology that allows physicians to take, store, and view medical images in digital form. Digital imaging includes modalities such as X-rays, computed tomography (CT), magnetic resonance imaging (MRI), and ultrasound.

Digital imaging provides several benefits, such as increased speed, improved diagnostic accuracy, lower radiation exposure, and reduced chemical usage. It also enables doctors to view images in real-time, making it easier to detect and diagnose medical conditions.

Additionally, digital images can be easily shared between medical professionals, allowing for better communication and collaboration.

The advantages of digital imaging include increased speed for viewing images. Instead of waiting for film-based images to be developed, doctors can view digital images instantly. This can be particularly important in emergency situations, where time is critical.

Digital imaging also allows doctors to manipulate images, zooming in or out as needed, to get a clearer view of the affected area or to identify specific features or abnormalities.

To know more about digital imaging, refer here:

https://brainly.com/question/321434#

#SPJ4

what is the equation to find the equivalent resistance, req, of two resistors in series, r1 and r2? group of answer choices

Answers

The equivalent resistance of resistors in series is always greater than the individual resistances. This is because the total resistance of the circuit is the sum of the resistances, and therefore the electric current has to overcome more resistance to flow through the circuit as compared to when a single resistor is used.

To find the equivalent resistance, req, of two resistors in series, r1 and r2, the following equation is used:

Req = R1 + R2

Where Req is the equivalent resistance of the series circuit,

R1 is the resistance of the first resistor,

R2 is the resistance of the second resistor.

Resistors in a circuit are the components that oppose the flow of electric current. When two resistors are connected in series, they are connected end to end so that the electric current flows through one resistor before flowing through the second one.In a series circuit, the equivalent resistance, req, is calculated as the sum of the individual resistances of the resistors connected in series.

Therefore, to find the equivalent resistance of two resistors in series, R1 and R2, we add the resistance values of the two resistors, as shown in the formula above.

for such more question on equivalent resistance

https://brainly.com/question/1851488

#SPJ11

A long solenoid has 100 turns/cm and carries current i. an electron moves within the solenoid in a circle of radius 2.30 cm perpendicular to the solenoid axis. the speed of the electron is 0.0460c (c speed of light). find the current i in the solenoid.

Answers

The current in the solenoid becomes 3.56 A.

How to find current in the solenoid?

Number of turns in the solenoid, n = 100 turns/cm

Radius of the circular path of electron, r = 2.30 cm

Speed of electron, v = 0.0460c, where c is the speed of light

To find: Current in the solenoid, i

Formula used: Magnetic field inside the solenoid,

B = μ0ni Where, μ0 = 4π × 10⁻⁷ T m/A is the permeability of free spaceSolution:

The force on a moving electron in a magnetic field is given by

F = Bev

Where B is the magnetic field, e is the charge of an electron and v is its velocity.

The force acting on the electron provides the necessary centripetal force for the electron to move in a circle of radius r.

So,

Bev = (mev²)/r

where me is the mass of an electron

On simplifying the above equation, we get

Be = (mev)/r

Put the value of B from the formula of magnetic field inside the solenoid, B = μ0ni

we get

μ0ni = (mev)/r

Solve for i,

i = (mev)/(μ0nr)

Substitute the given values and solve

i = (9.109 × 10⁻³¹ kg × 0.0460c × 3 × 10⁸ m/s)/(4π × 10⁻⁷ T m/A × 100 turns/cm × 2.30 cm)i

= 3.56 A

Therefore, the current in the solenoid is 3.56 A.

Learn more about Magnetic field.

brainly.com/question/14848188

#SPJ11

4. if the electric field of an electromagnetic wave is oscillating along the z-axis and the magnetic field is oscillating along the x-axis, in what possible direction is the wave traveling?

Answers

The possible direction in which an electromagnetic wave is traveling if the electric field is oscillating along the z-axis and the magnetic field is oscillating along the x-axis is the y-axis.

An electromagnetic wave is composed of two mutually perpendicular fields that oscillate perpendicular to the direction of the wave's propagation. They are the electric field and the magnetic field. An electromagnetic wave is created when a charged particle is accelerated. These waves can travel through a vacuum or any medium, including air and water, at the speed of light.

In this scenario, the electric field of the wave oscillates along the z-axis, while the magnetic field oscillates along the x-axis. As a result, the wave's propagation direction must be perpendicular to both fields. As a result, the wave must be propagating along the y-axis.This is why it's critical to comprehend the interplay between electric and magnetic fields in the context of electromagnetic waves.

It's also critical to recognize that an electromagnetic wave's direction of propagation is always perpendicular to the oscillation directions of the two fields, which are mutually perpendicular to each other.

for such more question on electromagnetic wave

https://brainly.com/question/24319848

#SPJ11

Other Questions
if hope has 4 more quarters than nickels and they have a combined value of 280 cents, how many of each coin does she have? all of the following statements regarding the auburn system of prisons are true except: a. prisoners were forbidden to speak to one another at any time. b. prisoners were required to work to provide their own keep. c. prisoners were assigned to rooms with multiple inmates bunking together. d. prisoners were regimented in military-type formation. Read the following excerpt from The Prince and the Pauper by Mark Twain. Then, answer the question that follows.Before him, at a little distance, reclined a very large man, with a wide, pulpy face, and a stern expression. His large head was very grey; and his whiskers, which he wore only around his face, like a frame, were grey also.Which type of figurative language is used in the bolded lines? Allusion Onomatopoeia Personification Simile for a second order reaction with an initial concentration of reactant of 64 m, what concentration of the reactant is left after three half lives? how would an individual know that his or her child was addicted to playing video games? are there positive aspects to playing video games? does motivation to play a video game indicate addiction or is it a more positive indicator? h. pylori infection is rare and causes peptic ulcers in the vast majority of those infected true false Opposition to the Mexican - American War referred to it as A- The Democrat's WarB- Mr Madison's WarC- Mr Polk's WarD- Mr Taylor's War A department store is holding a fall clothing sale where $9.99 will be taken off any clothes purchased. If Taylor wants to buy a pair of pants regularly priced $34.99, how much will he spend at the sale? the giant planet that has an axis that points roughly straight up, and thus has no seasons to speak of, is: Question 4 In which circuit represented below are meters properly connected to measure the current through resistor R1 and the potential difference across R2? A) LWA OAA OB.B OCC ODD a sample of 90 adult randolph county residents showed that 59 own a home. what is the risk of owning a home? Someone inflicted with Capgras syndrome would likely ______.a. spontaneously produce curse words.b. have wild emotional swings in response to loved ones.c. be unable to experience fear.d. fail to feel an emotional response to loved ones Explain why water can take many different paths while moving through the water cycle?? GREN'S GHOSTby Marie-Louise Fitzpatrick 2015DUE MARCH 22, 2023(I'm elimbing out the window. It's midnight. Istep carefully into the flower patch beneathmy bedroom window and shine the torcharound my feet to avoid damaging my dad'sprize-winning gladioll. I lower the window,Balancing it carefully on my school ruler so itdoesn't close completely. I mustn't get lockedBut Ringing the doorbell when I get back isnot an option. My mother would neverFont Size A|A|A|AMarie Louise Fitzpatrick (born 1962) is an Irish writer and illustrator best knownfor her children's picture books. In this short story, a boy meets one of hisclassmates at a castle, not knowing what waits for him.As you read, take notes on the narrator's emotions throughout the story.40 Read AloudAnnotateASSESSMENT QUEST1 2 3 4 5 62. PART A: What emotions are enthrough the author's use of firspoint of view?OA. Finn's desire to become partsocial circle at school.OB. Finn's uncertainty about Grehe asks him to meet up.O C. Finn's relief that he has a friewhen he returns to school.O D. Finn's sadness that he will noshare what happened at the what is the best additive to use to try to minimize the whinning noise in a 1956 chevy powerglide transmission? Extended Response In "In the Curl," the author discusses the extreme sport of surfing. What is the author's perspective about surfing? How does his geographic location influence his perspective on the sport? Use details from the article to support your response. In your response, be sure to explain the author's perspective about surfing explain, how his geographic location influences his perspective on the sport, and use details from the article to support your response HUGE EMERGENCY! please help asapPoints: 60Article is shown below consider the compounds cl2, hcl, f2, naf, and hf. which compound has a boiling point closest to that of argon? explain. argues that a strategic trade policy aimed at establishing domestic firms in a dominant position in a global industry boosts national income at the expense of other countries. *the net primary production of a pine forest on a lava flow on mount fuji is about 170,000kcal/m2/yr, and the plant respiration is estimated to be 110,000kcal/m2/yr. what is the total amount of energy transferred during photosynthesis for this ecosystem? he encysted larva of the beef tapeworm is called a a) redia. b) cercaria. c) cysticercus. d) metacercaria. e) proglottid