based on computer models, when is planetary migration most likely to occur in a planetary system? based on computer models, when is planetary migration most likely to occur in a planetary system? shortly after a stellar wind clears the gaseous disk away late in its history, when asteroids and comets occasionally collide with planets early in its history, when there is still a gaseous disk around the star

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Answer 1

According to computer models, planetary migration is most likely to occur in a planetary system early in its history, when there is still a gaseous disk around the star.

What is planetary migration?

Planetary migration is the process by which a planet changes its orbital position over time. The process is often caused by gravitational interactions with other planets or a planetesimal disk, which causes the planet to migrate inward or outward from its original orbit.

Other factors that can contribute to planetary migration include the late stages of a star's evolution when a stellar wind clears the gaseous disk away and asteroids and comets occasionally collide with planets.

However, early in a planetary system's history, when there is still a gaseous disk around the star, is the most likely time for planetary migration to occur.

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Related Questions

a wrench is used to tighten a nut. a 15n perpendicular force is applied 50cm away from the axis of rotation, and moves a distance of 10 cm as it turns. what is the torque applied to the wrench?

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The torque applied to the wrench can be calculated using the formula:

torque = force x distance

where force is the perpendicular force applied, and distance is the distance from the axis of rotation at which the force is applied.

So, torque = 15 N x 0.5 m = 7.5 Nm

However, since the force moves a distance of 10 cm as it turns, the work done is:

work = force x distance moved = 15 N x 0.1 m = 1.5 J

This means that some of the energy applied by the force is lost to friction or other factors, and not all of it is converted into torque.

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if the position is 2 m, 30 degrees above the horizontal and to the south, and the force is 3 n, horizontal (neither up nor down) and to the west, then what is the magnitude of the torque?

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If the position is 2 m, 30 degrees above the horizontal and to the south, and the force is 3 n, horizontal (neither up nor down) and to the west, then The magnitude of the torque in this scenario is 6 Nm.

The magnitude of the torque in this scenario is determined by calculating the cross product of the position vector and the force vector.

The position vector is given by r = 2m (30° south of the horizontal) and the force vector is given by F = 3N (west).

To calculate the cross product of these two vectors, we can use the formula:

Torque = r x F = |r||F| sin&theta,

where &theta is the angle between the vectors.

In this scenario, the angle between the position vector and the force vector is 90°.

Therefore, the magnitude of the torque can be calculated as follows:

Torque = |r||F|sin90° = (2m)(3N)(1) = 6 Nm.

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what happens to the water level in the tub if i open the faucet further and water enters at a higher rate?

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If you open the faucet further and water enters the tub at a higher rate, the water level in the tub will: rise

The water level will increase at a faster pace, and the tub will fill up more quickly than before. This happens because the rate of water flow into the tub is now higher than the rate at which it can drain away. Therefore, opening the faucet further increases the flow of water into the tub, which raises the water level at a higher rate.

The faucet opening determines the water flow rate, and the flow rate affects the filling rate of the tub. Thus, a higher flow rate leads to a higher filling rate of the tub. As a result, the water level in the tub increases more quickly when the faucet is opened further. The pressure of the incoming water is a critical factor in determining the rate at which the water fills up the tub.

When you turn the faucet on all the way, it releases the highest possible amount of water pressure into the tub, causing the water level to rise rapidly. In summary, opening the faucet further and letting water enter the tub at a higher rate will increase the water level in the tub, and the tub will fill up more quickly than before.

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what's the field strength on the loop axis at 10.0 cm from the loop center? express your answer in microtesla.

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The field strength on the loop axis at 10.0 cm from the loop center is 0.01 microtesla.

The field strength on the loop axis at 10.0 cm from the loop center can be calculated using Ampere's law, which states that the integral of the magnetic field around a closed loop is equal to the total current passing through the loop. The field strength at a distance from the loop center is inversely proportional to the square of the distance from the loop center. Thus, the field strength on the loop axis at 10.0 cm from the loop center is inversely proportional to 10.0 cm^2 or 100 cm^2, which is equal to 0.01 microtesla.
To explain further, the magnetic field strength is the force per unit charge at a particular point in space. It is a vector quantity, and its direction is perpendicular to the loop plane. The strength of the magnetic field is affected by the radius of the loop, the number of turns in the loop, and the current passing through the loop. The magnetic field strength is inversely proportional to the square of the distance from the loop center, so the field strength on the loop axis at 10.0 cm from the loop center is 0.01 microtesla.

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which mathematical methods types were used to derive the functional form for bonds and bend in classical force fields

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The mathematical methods used to derive the functional form for bonds and bend in classical force fields are primarily based on harmonic oscillators and Taylor expansions.

The bond between two atoms is typically modeled as a harmonic oscillator, where the force required to stretch or compress the bond is proportional to the displacement from its equilibrium length.

Similarly, the bending of a bond angle is also modeled as a harmonic oscillator, where the force required to change the angle is proportional to the deviation from the equilibrium angle. These harmonic functions are typically expanded using Taylor series, which allows for a more accurate representation of the potential energy surface.

The coefficients of these expansions are often determined from experimental or ab initio calculations and are fit to reproduce the desired properties of the molecule.

Therefore, the functional form for bonds and bends in classical force fields is derived using mathematical methods that involve harmonic oscillators and Taylor expansions.

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do you think that sometimes even if all the trackers are green, they might produce the wrong camera solve/calibration?

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Yes, sometimes even if all the trackers are green, they might produce the wrong camera solve/calibration.

The green tracker status indicates that the tracker is properly tracked, but it does not guarantee the accuracy of the camera solve. Various factors could lead to an incorrect camera solve.

One of the primary factors is improper tracking. In some cases, a tracker may seem to be in the right position, but the camera solver could generate an inaccurate camera solve if the tracker is not in the appropriate location on the image. To get accurate camera solves/calibration, you should place trackers in areas of high contrast, where the tracker can be tracked consistently throughout the sequence. If the trackers are placed in low-contrast regions, the tracker might not be tracked accurately, resulting in a poor camera solve. Therefore, it's critical to double-check the tracker placement for each frame to ensure that the tracking is accurate.

Other factors that could lead to an incorrect camera solve include incorrect lens distortion measurements, incorrect focal length measurements, improper image sequence alignment, incorrect image resolution, and other variables.

Hence, it is essential to monitor and inspect the solver settings to ensure accurate camera solve/calibration.

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How many units of energy are consumed if one uses 10 litres of petrol

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Depending on the formulation, gasoline's energy content can vary, but a standard approximation states that one liter of gasoline has around 34 megajoules (MJ) of energy in it.

As a result, 10 liters of gasoline would have about how much energy is in a liter of gasoline?

A liter of gasoline has 31,536,000 joules of energy, which helps to put joules in perspective. A kilowatt-hour has a joule value of 3,600,000. Hence, the energy contained in a liter of gasoline is 8.76 kW/hr,

which is a much more manageable value. How many kilometers are in 10 liters of gasoline?

Let's find out how many kilometers a car can travel on a single tank of gasoline now. The distance driven here is 145 kilometers of distance in 10 litres. So, in 10 litres = 145 km distance covered. That is, in one litre of petrol a car travels a total distance of 14.5 km.

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a particle passes through the point at time , moving with constant velocity . find the position vector of the particle at an arbitrary time .

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The position vector of the particle at an arbitrary time is vt.

Step by step explanation:

The position vector of the particle at an arbitrary time is a vector that has both direction and magnitude.

It is defined by its starting point and its endpoint.

Given that a particle passes through the point at time t, moving with constant velocity v, the position vector of the particle at an arbitrary time is given by the formula;

Position vector of the particle = Position vector of the particle at time t + velocity x (time taken to reach the arbitrary time from time t)

Therefore, the position vector of the particle at an arbitrary time is given as r = [tex]r_0[/tex] + vt where:

[tex]r_0[/tex] is the position vector of the particle at time t. v is the velocity of the particle. t is the time taken to reach the arbitrary time from time t.

For instance, if the particle passes through the origin at time t, moving with constant velocity v, the position vector of the particle at an arbitrary time will be given as;

r = 0 + vt = vt

Hence, the position vector of the particle at an arbitrary time is vt.

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william herschel tried to locate the center of our galaxy by counting the number of stars in different directions. this did not work because

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William Herschel's approach failed due to the fact that some parts of the Milky Way galaxy are denser than others.

This means that the number of stars would be greater in these regions, making it difficult to determine the galaxy's center simply by counting the number of stars in different directions. Herschel's pioneering work, including his discovery of Uranus and his cataloging of hundreds of nebulae, helped pave the way for future astronomers to explore and understand the universe. However, his method for locating the center of the Milky Way was limited by the technology of his time.

In modern times, astronomers have employed a range of techniques to study the galaxy, including measuring the positions and motions of stars, observing the behavior of gas and dust clouds, and using radio and other wavelengths of light to observe the galaxy's structure and composition.

Despite these advances, the center of the Milky Way remains difficult to observe directly due to the presence of dense dust and gas clouds, which block visible light. Nonetheless, astronomers have been able to estimate the location and size of the galaxy's central region through careful analysis of the behavior of stars and other objects orbiting around its center.

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if we say that the potential at the earth's surface is 0 v , what is the potential 1.6 km above the surface?

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If we say that the potential at the earth's surface is 0 v , the potential 1.6 km above the surface is  - 6.2 × 10^6 V.

The potential difference, also known as electric potential, decreases as the distance from the Earth's surface increases.

This is because electric potential is directly proportional to distance, and inversely proportional to the magnitude of the electric field.

The electric field is generated by the Earth's surface charge, which is negative because the Earth is a negatively charged object. The potential difference between two points is measured in volts (V), and the Earth's surface is often taken to be the reference point.

If the potential at the Earth's surface is taken to be 0 V, the potential 1.6 km above the surface can be calculated as follows:

The electric field generated by the Earth's surface charge is given by: E = kq/r²,

where k is Coulomb's constant, q is the surface charge of the Earth, and r is the distance from the center of the Earth.

The potential difference between two points is given by: V = Ed,

where d is the distance between the two points.

Thus, the potential at a point 1.6 km above the Earth's surface is:

V = E × d = kq/r² × d = (9 × 10^9 N·m²/C²) × (- 5.52 × 10^5 C)/[(6.38 × 10^6 m + 1.6 × 10^3 m)²] × (1.6 × 10^3 m)

= - 6.2 × 10^6 V.

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a charged ball of -3e-6 coulombs moving at 9 m/s moves into a magnetic field of 3 tesla. the magnetic field is oriented perpendicular to the velocity of the charged ball. what is the magnitude of the force on the ball?

Answers

The magnitude of the force on the ball is 8.1e-5 N.

The force on a charged particle moving in a magnetic field is given by the formula:

F = q(v x B)

F = |-3e-6| x |9| x |3| = 8.1e-5 N

Force is a quantitative description of the interaction between objects that causes a change in motion or deformation. It is measured in units of newtons (N) and is represented by a vector with both magnitude and direction.

There are four fundamental forces in nature: gravitational, electromagnetic, strong nuclear, and weak nuclear forces. Gravity is a force that pulls objects towards each other, while electromagnetic forces are responsible for the attraction or repulsion between electrically charged objects. The strong and weak nuclear forces govern the interactions between particles within the atomic nucleus.

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Give the scientific word for these 3 words

A magnet produced using an electric current

A machine that converts kinetic energy into electrical energy in a power station

A machine that spins when high-pressure steam is blown at it ​

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Answers
Electromagnet
Generator
Steam Turbine



Electromagnet is A magnet produced using an electric current

Generator is a machine that converts kinetic energy into electrical energy in a power station

Steam Turbine is a machine that spins when high-pressure steam is blown at it
1. Electromagnet

2. Generator

3. Steam turbine

the sound level measured in a room by a person watching a movie on a home theater system varies from 60 db during a quiet part to 90 db during a loud part. approximately how many times louder is the latter sound?

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The loud part is approximately 1000 times louder than the quiet part. The sound level measured in a room by a person watching a movie on a home theater system varies from 60 db during a quiet part to 90 db during a loud part.

To calculate approximately how many times louder the latter sound is, we can use the formula: Decibels = 10 log (I/I0) Where I is the sound intensity and I0 is the reference intensity ([tex]10^{-12} W/m^2[/tex]). We know that the sound level at the quiet part is 60 dB and the sound level at the loud part is 90 dB.

So, using the formula above, we can calculate the intensity ratio as follows: Intensity ratio = I_loud/I_quiet= [tex]10^{(90/10)}[/tex]/ [tex]10^{(60/10)}[/tex]= [tex]10^9[/tex]/[tex]10^6[/tex]= 1000. The intensity ratio of the loud part to the quiet part is 1000. This means that the loud part is approximately 1000 times louder than the quiet part. The answer is 1000 times louder than the quiet part.

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a particle travels 17 times around a 15-cm radius circle in 30 seconds. what is the average speed (in m/s) of the particle?

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The average speed of the particle is  4.7 calculated by dividing the total distance traveled by the time taken.


The particle's average speed in m/s is 4.7. The calculation for the particle's average speed in m/s is discussed below. Step 1Given a circle of 15cm in radius, the circumference is calculated as follows:C = 2πr, C = 2 × π × 15cm, C = 94.25cm.

The particle travels 17 times around the circle of radius 15cm in 30 seconds. Therefore, the total distance traveled by the particle can be calculated as follows. Total Distance = 17 × Circumference. Total Distance = 17 × 94.25cm. Total Distance = 1602.25cm. To convert the distance into meters, we divide it by 100 as follows : Total Distance = 1602.25cm = 16.0225m. Finally, we calculate the average speed of the particle in m/s as follows, Average Speed = Total Distance / Total Time. Average Speed = 16.0225m / 30s. Average Speed = 0.534m/s × 8.75 = 4.7. Therefore, the particle's average speed in m/s is 4.7.

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the maximum horizontal distance from the center of the robot base to the end of its end effector is known as .

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The maximum horizontal distance from the center of the robot base to the end of its end effector is known as reach.

The maximum horizontal distance from the center of the robot base to the end of its end effector is known as reach.

A robot is a machine that is programmable to execute tasks autonomously or semi-autonomously. Robots are usually electro-mechanical systems that are driven by a computer program or an electronic controller. They are frequently used in factories and manufacturing to automate production and perform tasks that are too dangerous, time-consuming, or repetitive for humans to perform.

Robotics is a branch of technology that deals with the design, construction, operation, and application of robots. In robotics, reach is a term used to describe the distance between the robot's base and the farthest point on its end effector that it can physically reach. It is usually given in three dimensions:

horizontal reach, vertical reach, and depth reach. In robotics, reach is critical because it determines the size of the work envelope (the region that the robot can reach).The maximum horizontal distance from the center of the robot base to the end of its end effector is known as reach.

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the4-kgslenderbarisreleasedfromrestintheposition shown. determine its angular acceleration at that instant if (a) the surface is rough and the bar does not slip, and (b) the surface is smooth.

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To determine the angular acceleration of the 4-kg slender bar released from rest in the position shown, we need to consider two cases:

(a) when the surface is rough and the bar does not slip, and

(b) when the surface is smooth.

(a) Rough surface (no slip):
1. Calculate the torque about the center of mass (CM). In this case, the only force causing the torque is gravity (mg), acting downward at the midpoint of the bar.
2. Calculate the moment of inertia (I) for the bar. Since it's a slender bar, I = (1/12) * mass * length^2.
3. Use Newton's second law for rotation:

Torque = I * angular acceleration (α). Solve for α.

(b) Smooth surface:
1. Calculate the torque about the point of contact (A) with the surface. In this case, the gravitational force (mg) acts downward at the midpoint of the bar and the frictional force (f) acts upward at point A.
2. Calculate the moment of inertia (I) for the bar about point A. Use the parallel axis theorem: I_A = I_CM + mass * distance^2.
3. Use Newton's second law for rotation:

Torque = I_A * angular acceleration (α). Solve for α.

By following these steps, you will be able to determine the angular acceleration of the 4-kg slender bar in both cases, when the surface is rough and when the surface is smooth.

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a ball of mass 0.600 kg is carefully balanced on a shelf that is 2.10 m above the ground. what is its gravitational potential energy?

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The gravitational potential energy of the 0.600 kg ball balanced on a shelf 2.10 m above the ground is 12.24 J.



The gravitational potential energy of an object is calculated by the equation:

PE = mgh, where m is the mass of the object, g is the gravitational acceleration, and h is the height above the ground.

1. Calculate the gravitational potential energy using the equation PE = mgh
2. Substitute in the known values: 0.600 kg for m, 9.81 m/s2 for g, and 2.10 m for h
3. Calculate the gravitational potential energy: 12.24 J (12.24 J = 0.600 kg x 9.81 m/s2 x 2.10 m)

Therefore, the gravitational potential energy of the ball is 12.24 J (12.24 J = 0.600 kg x 9.81 m/s2 x 2.10 m).

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The cord from an appliance is too short to reach the wall outlet in your room. You have two extension cords to choose from. (a) Find the voltage drop in the first extension cord having a 0.0760 ? resistance and through which 5.60 A is flowing. V (b) The second extension cord is cheaper and utilizes thinner wire. It has a resistance of 0.760 ? and the current flowing through it is 5.60 A. By what amount does the voltage supplied to the appliance change when the first extension cord is replaced by the second?

Answers

When the first extension cord is replaced by the second then the voltage supplied to the appliance drops by 3.834 V.

The voltage drop in the first extension cord can be calculated using Ohm's law:

V = IR

where V is the voltage drop, I is current, and R is the resistance.

The voltage drop in the first extension cord is V = IR = (5.60 A) x (0.0760 Ω) = 0.4256 V.

The voltage drop across the second extension cord is also V = IR = (5.60 A) x (0.760 Ω) = 4.256 V.

Therefore, the voltage supplied to the appliance changes by (0.4256 V - 4.256 V) = - 3.8304 V when the first extension cord is replaced by the second.

Extension cords are useful for transferring power to areas where there are no outlets, and they can also come in handy in places where outlets are inaccessible. However, if you have two extension cords to choose from, the voltage drop in each cord can impact the amount of voltage supplied to the appliance.

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calculate the horizontal component of the net force, in newtons, on the charge which lies at the lower left corner of the rectangle.

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The horizontal component of the net force on the charge which lies at the lower left corner of the rectangle is 2.62 × 10⁻⁴ N.

To solve both sections of the above problem, we must first determine the angle that the diagonals form with the horizontal sides. This could be given as:

θ = [tex]tan^{-}( \frac{9}{28})[/tex] = 17.82°.

Horizontal component:

There is no force transfer from the upper left charge to the lower left charge. So, the negative charges on the right will be the only ones we focus on.

Using Coulomb's law, force due to lower right charge can be given as:

[tex]k\frac{q^{2} }{D^{2} } = (9 * 10^{9})\frac{35^{2} * 10^{-18} }{28^{2}*10^{-2} }[/tex] = 1.41 × 10⁻⁴N.

In the situation mentioned above, all of the force was applied horizontally. We must now multiply by Cosθ in order to determine the force caused by the charge in the upper right.

[tex]F = k\frac{Q^{2} }{D_{1}^{2}+ D_{2} ^{2} } = 9*10^{9} \frac{35^{2}*10^{-18} }{(28^{2} *100^{-2})+ (9^{2} *100^{-)2} }[/tex] Cos (17.82°)N = 1.21 × 10⁻⁴N.

Therefore, the total force is equivalent to 2.62 × 10⁻⁴ N, oriented towards the right, since the nature of charges is attracting.

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Complete question is:

Four point charges of equal magnitude Q = 35 nC are placed on the corners of a rectangle of sides D1 = 28 cm and D2 = 9 cm. The charges on the left side of the rectangle are positive while the charges on the right side of the rectangle are negative. Use a coordinate system fixed to the bottom left hand charge, with positive directions as shown in the figure.

Calculate the horizontal component of the net force, in newtons, on the charge which lies at the lower left corner of the rectangle.

the attractive forces that exist between gas particles cause the measured pressure of a gas to be lower than that predicted by the ideal gas law true or false

Answers

The attractive forces that exist between gas particles cause the measured pressure of a gas to be lower than that predicted by the ideal gas law. is True because gas particles are in constant motion.

The attractive forces between gas particles are responsible for the deviation of real gases from ideal behavior, causing the pressure to be lower than expected. This is because the ideal gas law assumes that the gas particles are in constant motion and have no intermolecular forces acting upon them.

However, in real gases, there are attractive forces that exist between gas particles, which causes the gas molecules to have less kinetic energy and thus move more slowly. This slower movement leads to a lower pressure than would be predicted by the ideal gas law.

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if you stand 8 m in front of a plane mirror and focus a camera on yourself, for what distance is the camera now focused?

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The camera should be now focused at a distance of 16 meters.

The camera, in this case, should focus on the distance from the mirror to the object reflected by the mirror. The distance should be twice the distance of the object to the mirror.

The mirror image and the object should be equidistant from the mirror. This implies that the distance of the object from the mirror is equal to the distance of the mirror image from the mirror.

The distance that the camera should focus on is equal to the distance from the object to the mirror, multiplied by 2. Therefore, Distance from the object to the mirror = 8 meters

Distance from the camera to the object = distance from the mirror to the object, which is twice the distance from the mirror to the object

Distance from the camera to the object = 2 × 8 meters = 16 meters

Therefore, the camera should be focused at a distance of 16 meters.

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suppose that a 50-kilogram cart and a 70-kilogram cart, both traveling at 5 meters per second in opposite directions, collide and stick together. in meters per second with one significant figure, what is the speed of the final composite object?

Answers

The final speed of the composite object is 0.8 m/s.

We can use the law of conservation of momentum, which states that the total momentum of a closed system remains constant. In this case, the initial momentum of the system is,

initial momentum = (50 kg) x (-5 m/s) + (70 kg) x (5 m/s)

= -250 kg m/s + 350 kg m/s

= 100 kg m/s

Since the carts stick together after the collision, their masses add up to give the mass of the final composite object,

mass of final object = 50 kg + 70 kg

= 120 kg

Using the conservation of momentum, we can solve for the final velocity of the composite object,

initial momentum = final momentum

100 kg m/s = (120 kg) x (v) m/s

Solving for v,

v = 0.83 m/s

Rounding off to one significant figure, velocity is, 0.8 m/s.

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For the circuit shown in Fig. E26.7 find the reading of the idealized ammeter if the battery has an internal resistance of 3.26 ohm

Answers

The idealised ammeter and the 3 ohm resistor are connected in series, and they both get the same current. As a result, 2.13 A is likewise the idealized ammeter's reading.

What is the optimal ammeter's internal resistance?

An perfect ammeter's internal resistance is zero, whereas an ideal voltmeter's internal resistance is infinite.

The following formula can be used to get the parallel resistors' equivalent resistance:

1/Req = 1/12 + 1/9

1/Req = 3/36 + 4/36

1/Req = 7/36

Req = 36/7 ≈ 5.14 ohms

Now that the circuit has the equivalent resistance, we can redisplay it:

The circuit's overall current is determined by:

I = V / (Rint + Req)

I = 18 / (3.26 + 5.14)

I ≈ 2.13 A.

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As a particle moves 12 meters along an electric field of strength of 80 Newtons per Coulomb its electrical potential energy decreases by 5.2 x 10^-18 Joules.

What is the particle charge?







Giving out brainliest please help this is due today.

Answers

Answer:

The electric potential energy (EPE) of a particle with charge q moving through an electric field of strength E over a distance d is given by the formula:

EPE = qEd

In this problem, we are given:

EPE = 5.2 x 10^-18 J

E = 80 N/C

d = 12 m

Substituting these values into the formula, we get:

5.2 x 10^-18 J = q(80 N/C)(12 m)

q = 5.2 x 10^-18 J / (80 N/C)(12 m)

q = 6.875 x 10^-21 C

Therefore, the particle charge is 6.875 x 10^-21 Coulombs.

Explanation:

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Compare and contrast how heat flows between a person and the environment for someone submerged in water and for someone in the air

Answers

Heat transfer between a person and the environment occurs through the processes of convection, conduction, and radiation. The rate of heat transfer depends on factors such as the temperature difference between the person.

What is a conduction ?

Conduction is a process of heat transfer that occurs through a material or between two materials that are in direct contact with each other. In this process, heat flows from a region of higher temperature to a region of lower temperature through molecular collisions. The heat energy is transferred through the material or the contact surface by means of the vibration and movement of the molecules.

Conduction is responsible for heat transfer in solids, such as metals, ceramics, and polymers, and it can also occur between different solids in contact with each other. The rate of conduction depends on several factors, including the thermal conductivity of the material, the temperature difference between the two regions, the thickness of the material, and the surface area of contact.

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A baseball collides with a baseball glove. Which equation is used to calculate the force the glove exerts on the ball during the collision?force = mass × velocity
force = weight × acceleration
force = weight × velocityforce = mass × acceleration

Answers

The equation used to calculate the force the glove exerts on the ball during the collision is force = mass × acceleration. This equation relates the force exerted on an object to its mass and the acceleration it experiences.

During the collision, the ball experiences a change in velocity, which corresponds to an acceleration. The force exerted by the glove on the ball is equal in magnitude but opposite in direction to the force exerted by the ball on the glove, as described by Newton's third law of motion.

The force exerted on the ball is what causes it to change direction and slow down, ultimately leading to it coming to a stop in the glove. It's important to note that while the velocity of the ball is involved in the collision, it is not directly used to calculate the force.

Instead, the mass and acceleration of the ball are used in conjunction with the force equation to determine the force exerted by the glove on the ball. This equation can also be used in other scenarios where an object experiences a force due to acceleration, such as a car accelerating or a person jumping.

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how to know the minimum force a third vector should exert to bring the two other vectors to equilibrium

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In order to determine the minimum force that a third vector should exert to bring two other vectors to equilibrium, we will use the concept of vector addition.

Here is some steps:

Draw two vectors (force) that are not in equilibrium, let's call them Vector A and Vector B.Draw a third vector (force) acting in the opposite direction to Vector A or Vector B.Measure the magnitude of Vector A and Vector B.To bring the two vectors to equilibrium, the third vector should have the same magnitude as Vector A + Vector B.

This is because the third vector must be strong enough to cancel out the net force acting on the system. If the third vector has a magnitude less than Vector A + Vector B, then the system will not be in equilibrium.

For example, suppose Vector A has a magnitude of 5 N and Vector B has a magnitude of 3 N.

Then the minimum force that the third vector should exert to bring the two vectors to equilibrium would be

5 N + 3 N⇒8 N

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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

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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.

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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.

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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.

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write the abbreviation for the base unit of each of these quantities in the metric system. mass: m length:

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The abbreviation for the base unit of mass in the metric system is "m" and the abbreviation for the base unit of length in the metric system is "l". The abbreviation for the base unit of mass in the metric system is kg (kilogram) and the abbreviation for the base unit of length in the metric system is m (meter).

What is the metric system? The metric system is a system of measurement used by most countries around the world. It is also known as the International System of Units (SI). It has a base unit for each quantity it measures. These base units can then be used to express quantities of that type, either as a multiple or a fraction. For example, the base unit for mass is the kilogram (kg). We can express mass in grams (g), which is a smaller unit of mass. A kilogram is equal to 1000 grams. Similarly, the base unit for length is the meter (m), and we can express lengths in centimeters (cm) or kilometers (km), which are smaller or larger units of length, respectively. In summary, the metric system has a base unit for each quantity it measures. The base unit for mass is the kilogram (kg) and the base unit for length is the meter (m).

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