name the seven major divisions of the electromagnetic spectrum, and give the range of frequencies they encompass.

To calculate the ideal banking angle for a gentle turn

The ideal banking angle for a gentle turn of radius R, with velocity v, and coefficient of friction µ between the road and the tires can be calculated by the formula:

Tan(θ) = (v^2) / (gR)

where g is the acceleration due to gravity = 9.81 m/s²

θ is the banking angleIn this problem,

the radius of the gentle turn is R = 1.40 km = 1400 m

The speed limit is v = 105 km/h = 29.1667 m/s

Applying the formula,

Tan(θ) = (29.1667 m/s)^2 / (9.81 m/s² x 1400 m)

= Tan(θ) = 0.41435θ

= Tan^-1(0.41435)θ = 21.25°

Therefore, the ideal banking angle (in degrees) for a gentle turn of 1.40 km radius on a highway with a 105 km/h  speed limit (about 65 mi/h), assuming everyone travels at the limit is 21.25 degrees.

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Amplitude is not measured from peak to trough, but from rest to peak or rest to trough.

The highest and lowest points on the surface of a wave are called crests and troughs respectively. The vertical distance between the peak and the trough is the height of the waves. The horizontal distance between two successive peaks or troughs is called the wavelength.

The amplitude of a wave is the maximum displacement of a particle on a medium with respect to its position of rest.

The amplitude can be thought of as the distance between rest and the peak. The amplitude from the rest position to the dip position can be measured in a similar manner.

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The work done by the force (in one-hundredth of Joule) on the distance AB is -15300×J/100. The total work done by the forces acting on the body over the distance AB is -153 J. The magnitude of the acceleration of the body is 1.53 m/s².

a) To find the work done by the force on the distance AB, we first need to find the displacement vector from point A to point B:

Displacement vector, AB = B - A

= (28-2, 75-8, 68-0) = (26, 67, 68)

Now, we calculate the dot product of the force vector and the displacement vector:

F • AB = (2,1,-4) • (26,67,68)

= 2(26) + 1(67) - 4(68)

= 52 + 67 - 272

= -153
The work done by the force on the distance AB in one-hundredth of Joule is given by:
Work = F • AB

=-15300×J/100.

b) Since there is only one force acting on the body, the total work done by the forces acting on the body over the distance AB is the same as the work done by the force F:
Total work = -153 J

c) The acceleration of the body is given by Newton's Second Law of Motion:

F = ma

=> a = F/m

where F is the force and m is the mass of the body.

a = F/m

= (2, 1, -4)/3

= (0.67, 0.33, -1.33) m/s²

Therefore, the magnitude of the acceleration of the body is

|a| = √(0.67² + 0.33² + (-1.33)²) ≈ 1.53 m/s² (corrected to the nearest hundredth of m/s²).

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The relationship between force and potential energy can be found using: calculus and examining the graph of the equation PE = Fd

Potential energy is a form of stored energy that results from the force of gravity or from a conservative force. The relationship between force and potential energy is described by the equation PE = Fd, where PE is potential energy, F is force, and d is displacement.

To calculate potential energy using calculus, start by taking the integral of force with respect to displacement. This will give you the work done by the force, which is equal to the potential energy. Mathematically, this is represented as PE = ∫Fd. This equation can be used to find the potential energy of an object if you know the force and the displacement.

The relationship between force and potential energy can also be determined by examining the graph of the equation PE = Fd. This graph is a straight line with a slope of d and a y-intercept of zero. The slope of the line represents the displacement, while the y-intercept represents the potential energy.

As the force increases, the potential energy increases by the same amount as the force multiplied by the displacement. In summary, the relationship between force and potential energy can be found using calculus. The equation PE = Fd can be used to calculate potential energy from force and displacement.

The graph of this equation is a straight line with a slope of d and a y-intercept of zero, and it shows that as the force increases, the potential energy increases by the same amount as the force multiplied by the displacement.

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These two forces act on the stone:

The stone in the figure shown is at rest, which means that the net force on the stone is zero. Therefore, there must be two forces acting on the stone, one in the direction of the incline and the other in the opposite direction. These two forces are:

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The magnitude of the change in the momentum of the billiard ball is 0.268 kg⋅m/s. The direction of the change of momentum vector points at 59.6 degrees, measured counterclockwise from the x-axis along the cushion.

This result can be found by using the equation for conservation of momentum, which states that both the magnitude and the direction of the momentum before and after the collision must be the same.

Since the mass and the speed of the ball changed, the direction of the vector must have changed as well. In this case, the vector changed direction from 60 degrees to 47 degrees, a difference of 13 degrees.

This means that the vector must have rotated counterclockwise by 13 degrees, or in other words, the change of momentum vector points at 59.6 degrees, measured counterclockwise from the x-axis along the cushion.

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An ice skater is spinning about a vertical axis with arms fully extended. If the arms are pulled closer to the body, the angular momentum of the skater will remain constant while the kinetic energy of the skater increases. The correct option is C.

The angular momentum of the skater is given by

[tex]L = I\omega[/tex],

where I is the moment of inertia of the skater and ω is the angular velocity.

When the skater pulls their arms in, their moment of inertia decreases due to the decreased distance between their body and the axis of rotation.

According to the conservation of angular momentum, the product of the moment of inertia and angular velocity must remain constant. Therefore, if the moment of inertia decreases, the angular velocity must increase to keep the angular momentum constant.

The kinetic energy of the skater is given by

[tex]K = (1/2)I\omega^2[/tex]

As the moment of inertia decreases and the angular velocity increases, the kinetic energy of the skater also increases because it is proportional to the square of the angular velocity.

Therefore, the correct answer is: (C) Remains Constant Increases. The angular momentum remains constant, while the kinetic energy increases due to the increased angular velocity.

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A landscape that develops in a warm, rainy climate will most likely weather and erode faster, so the landforms are more rounded.

This is because in a warm, rainy climate, there is more water available to weather and erode the landforms. The water can penetrate cracks and crevices in the rocks, dissolve minerals, and carry away sediments. Over time, this can lead to the rounding of edges and the smoothing of surfaces, resulting in more rounded landforms.

In contrast, in a cool, dry climate, there is less water available to weather and erode the landforms. This can result in slower rates of erosion and less rounding of the landforms.

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Answer:

5 J/s or 5 watt

Explanation:

Given,

Work (W) = 100 J

Time (t) = 20 s

To find : Power (P)

Formula :

P = W/t

P = 100/20

P = 5 J/s

P = 5 watt

Note : -

J/s and watt are units are power.

The most fundamental stage of studying matter and energy is quantum physics. It aims to comprehend the traits and behaviours of the very substances that make up nature.

According to this theory, the universe of any object transforms into an array of parallel universes with an identical number of possible states for that object, one in each universe. This occurs as soon as the potential for any object to be in any state arises.

By examining the interactions between particles of matter, quantum physicists investigate how the universe functions. This career might suit your interests if you like math or physics.

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The density using reasonable outer limits is the density of an object can be determined by dividing its mass (measured in grams, g) by its volume (measured in cubic metres, m3). To calculate the density using the given values of mass and volume, we can use the following formula: Density = Mass/Volume.

Therefore, the density of the given object can be calculated using the outer limits of mass and volume, which are 14.6 g to 15.2 g and 2.4 m3 to 2.8 m3, respectively. The calculated density of the given object is in the range of 5.75 g/m3 to 5.45 g/m3.

To calculate the density, the mass and volume of the object must be known. Mass is a measure of how much matter an object has, and is calculated in grams (g). Volume, on the other hand, is a measure of the amount of space an object takes up, and is calculated in cubic metres (m3).

When these two values are known, the density can be calculated using the formula: Density = Mass/Volume. In this case, the given values of mass and volume are 14.6 g to 15.2 g and 2.4 m3 to 2.8 m3, respectively. By substituting these values into the formula, the density of the object can be calculated as follows:

Density = Mass/Volume

Density = 14.6 g/2.4 m3 = 5.75 g/m3

Density = 15.2 g/2.8 m3 = 5.45 g/m3

Therefore, the density of the given object is in the range of 5.75 g/m3 to 5.45 g/m3.

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To calculate the magnitude of the drift velocity of the electrons ,

The drift velocity of electrons in a conductor is given by the formula:

v = I / (neA)

where 'v' is the drift velocity of electrons,

'I' is the current flowing through the wire,

'n' is the number of free electrons per unit volume,

'e' is the charge on each electron, and

'A' is the cross-sectional area of the wire.

Therefore, The current-carrying capacity of the 10 gauge copper wire is

 I = 21 A which is a given statement.

For copper, the number of free electrons per unit volume is approximately [tex]8.5*10[/tex]²⁸ electrons/m³, and the charge on each electron is 1.6 x 10⁻¹⁹ C.

The cross-sectional area of a 10 gauge copper wire is approximately 5.26 mm²= 5.26 x 10⁻⁷ m².

Substituting these values into the formula of drift velocity we get:

v = (21 A) / ((8.5 x 10²⁸ electrons/m³) x (1.6 x 10⁻¹⁹ C/electron) x (5.26 x 10⁻⁷ m²))

= 0.015 m/s

Therefore, the magnitude of the drift velocity of the electrons in the wire is approximately 0.015 m/s.

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A force of 245 N must be applied vertically to lift the bag off the baggage cart.

The force that must be applied vertically to lift a bag off a baggage cart, given that the bag has a mass of 25 kg, can be determined using the formula F = m*g

where F is force, m is mass, and g is acceleration due to gravity. The value of g is 9.8 m/s².So, F = 25 kg x 9.8 m/s² = 245 N. Therefore, a force of 245 N must be applied vertically to lift the bag off the baggage cart.

The mass of the bag = 25 kg.The formula used is, F = m*gwhereF = Force required to lift the bagm = Mass of the bagg = Acceleration due to gravityF = 25 kg x 9.8 m/s² = 245 N.

Therefore, a force of 245 N must be applied vertically to lift the bag off the baggage cart.

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Answer: The magnitude of the acceleration of the laundry cart is 20.32 m/s2.

The magnitude of the acceleration of the laundry cart can be calculated using the equation F = ma, where F is the force applied, m is the mass of the object and a is the acceleration.

We can rearrange the equation to solve for acceleration: a = F/m.

Plugging in the values we know, the acceleration of the laundry cart is:

a = 63N / 3.1kg = 20.32 m/s2

Therefore, the magnitude of the acceleration of the laundry cart is 20.32 m/s2.



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The temperature of the sound air is approximately 17.57°C.

We can use the formula for the speed of sound in air to relate it to temperature:

v = 331.5 * sqrt(T/273.15)

where v is the velocity of sound in air, T is the temperature in Kelvin, and 273.15 K is the temperature in Kelvin at 0◦C.

We know the frequency and wavelength of the sound wave in air, and we can use the formula for the speed of sound to find the velocity of sound:

v = f * λ

where f is the frequency of the sound wave λ is the wavelength.

Plugging in the given values, we get:

v = 687 Hz * 0.49 m

v = 336.63 m/s

Now we can use the formula for the speed of sound to find the temperature:

336.63 m/s = 331.5 * sqrt(T/273.15)

Solving for T, we get:

T = (336.63/331.5)^2 * 273.15

T = 290.72 K

Converting from Kelvin to Celsius, we get:

T = 290.72 - 273.15

T ≈ 17.57°C

Therefore, the temperature of the air is approximately 17.57°C.

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A 2.0 m tall man is 10 m in front of a camera with a 25 mm focal length lens, the height of the image on the detector is approximately 5.01 mm.

To determine the height of the image of a 2.0 m tall man who is 10 m in front of a camera with a 25 mm focal length lens, we will use the lens formula and magnification formula.

First, let's use the lens formula: 1/f = 1/u + 1/v

Here, f is the focal length, u is the object distance, and v is the image distance. We have f = 25 mm, and u = 10 m (which we need to convert to millimeters, so u = 10,000 mm).

We can now solve for v: 1/25 = 1/10,000 + 1/v

To isolate v, let's first subtract 1/10,000 from both sides: 1/25 - 1/10,000 = 1/v Now,

find the least common denominator (LCD) and subtract: (400 - 1)/10,000 = 1/v 399/10,000 = 1/v

Now, take the reciprocal of both sides to solve for v: v = 10,000/399

Now that we have the image distance (v), we can use the magnification formula to find the height of the image: magnification (m) = image height (h') / object height (h) = v / u

We want to find h', so we can rearrange the formula: h' = h * (v / u)

Plug in the known values (h = 2.0 m, u = 10,000 mm, and v = 10,000/399 mm), and convert h to mm (2.0 m = 2,000 mm): h' = 2,000 * (10,000 / 399) / 10,000 Simplify the expression: h' = 2,000 / 399

So, the height of the image on the detector when the man is 2.0m tall, 10 m in front of a camera with a 25 mm focal length lens is approximately 5.01 mm.

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The damping ratio of the system can be calculated as 0.13.

What is displacement?

Displacement at resonance, Xn = 0.6 inches

Displacement at very high RPM, Xv = 0.15 inches

Natural frequency of a system is:

f = (1/2π) * √(k/m)

where k is the stiffness of the system and m is its mass.

Let's assume the mass of the system as m and k is the stiffness of the system.

When the motor is at resonance, the frequency of the system is: n = f

where n is the frequency of the system.

When the motor is running at very high rpm, the frequency of the system is given as:v = f

where v is the frequency of the system.

Now, let's assume the damping coefficient of the system as c.

The displacement of the system:

X = [Xn * exp(-ζωnt)] * sin(ωdt)

where X is the displacement of the system, ζ is the damping ratio of the system, ωn is the natural frequency of the system and ωd is the frequency of the applied force.

The maximum value of the displacement is:

Xmax = Xn / (2ζ * √(1 - ζ²))

Here, Xmax = 0.6 inches when the motor is at resonance Xmax = 0.15 inches

when the motor is running at very high RPM, putting the given values of Xmax in the above equation, we can find the value of the damping ratio, ζ.

For resonance:0.6 = Xn / (2ζ * √(1 - ζ²))

=> 2ζ * √(1 - ζ²)

= Xn / 0.6=> 4ζ² * (1 - ζ²)

= Xn² / 0.36=> 4ζ⁴ - 4ζ² + 0.26244

= 0

Solving this quadratic equation gives us the value of ζ as 0.32.

For high RPM:

0.15 = Xn / (2ζ * √(1 - ζ²))

=> 2ζ * √(1 - ζ²)

= Xn / 0.15=> 4ζ² * (1 - ζ²)

= Xn² / 0.0225

=> 4ζ⁴ - 4ζ² + 1.728 = 0

Solving this quadratic equation gives us the value of ζ as 0.13.

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The  final speed of the ball dropped from a distance of 10 meters will be 49 m/s.

The final speed of the ball dropped from a distance of 10 meters will be higher than the final speed of the ball dropped from a distance of 5 meters. This is because of the effect of gravity on the ball.

As the ball falls, gravity will pull it toward the ground, giving it a greater speed as it falls further. This increase in speed is known as the "acceleration due to gravity."

When the ball is dropped from 10 meters, the ball will fall faster because of the increased distance it has to travel, allowing gravity to pull it down more quickly.

By the time it reaches the ground, it will have reached a higher velocity.
The equation for this acceleration due to gravity is:

Vf = Vi + g × t

Where Vf is the final speed, Vi is the initial speed, g is the acceleration due to gravity and t is the time.

Therefore, in order to calculate the final speed of the ball dropped from 10 meters, we can use this equation. Assuming the initial speed of the ball is zero and the acceleration due to gravity is 9.8 m/s2, we get:

Vf = 0 + 9.8 × (10/2)
Vf = 49 m/s

So, the final speed of the ball dropped from a distance of 10 meters will be 49 m/s.

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The power input to the heat pump is 25 kW.

The COP (coefficient of performance) of the heat pump is 4.0. This means that for every unit of power consumed by the heat pump, it supplies four units of heat to the building.

The rate at which the heat pump supplies heat to the building is 100 kW.

Therefore, the power input to the heat pump can be calculated as:

Power input = Power output / COP

Power input = 100 kW / 4.0

Power input = 25 kW

Hence, the power input to the heat pump is 25 kW.

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The same amount of work to speed up a car from 25 m/s to 30 m/s as it does from 30 m/s to 35 m/s is different because it requires more work to speed up a car from 30 m/s to 35 m/s than it does to speed it up from 25 m/s to 30 m/s.

Thus, the correct answer is "No, it doesn't".

The CER framework is a tool that can be used to answer questions that involve scientific principles. CER stands for Claim, Evidence, and Reasoning.

1. Claim: It does not take the same amount of work to speed up a car from 25 m/s to 30 m/s as it does to speed it up from 30 m/s to 35 m/s.

2. Evidence: Work is equal to force times distance, which means that the amount of work required to accelerate an object depends on the distance over which the force is applied. If the distance is shorter, less work will be done.

The distance over which the force is applied to speed up a car from 30 m/s to 35 m/s is shorter than the distance over which the force is applied to speed it up from 25 m/s to 30 m/s. This implies that more work is required to speed up a car from 30 m/s to 35 m/s than it does to speed it up from 25 m/s to 30 m/s. The equation for calculating work is W = F x D, where W is work, F is force, and D is distance.

3. Reasoning: Therefore, it requires more work to speed up a car from 30 m/s to 35 m/s than it does to speed it up from 25 m/s to 30 m/s. This is because the distance over which the force is applied to speed up a car from 30 m/s to 35 m/s is shorter than the distance over which the force is applied to speed it up from 25 m/s to 30 m/s. The work done on an object is a measure of the energy transferred to it. When more work is done on an object, more energy is transferred to it.

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Ganymede is the largest moon in the solar system. Scientists believe that Ganymede, like Europa, has a subsurface ocean of liquid water because of the magnetic field it produces.

Magnetic fields are areas around a magnet or a moving electric charge where magnetic forces are present. The magnetic field's magnitude and direction at each point in space are used to define a magnetic field. Magnetic fields are produced by electric charges in motion.

Magnetic fields are present in the universe in the form of stars, galaxies, and even black holes. Magnetic fields have a significant impact on our planet's electromagnetic environment, from the polar auroras to the solar wind interaction with the Earth's magnetosphere. The Earth has its own magnetic field that plays a vital role in our planet's habitability.

Magnetic fields are useful in a variety of ways, from generating electricity in power plants to levitating trains to keeping our smartphones and other electronic devices charged. Magnetic fields have a plethora of applications in technology and research.

Therefore, scientists infer that Ganymede has a subsurface ocean of liquid water due to the magnetic field it generates, similar to Europa.

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The recoil speed of the rifle is 0.075 m/s in the opposite direction to the direction of the bullet.

To calculate the recoil speed of the rifle, we can use the conservation of momentum principle. According to this principle, the total momentum of the system (bullet + rifle) is conserved before and after the firing of the bullet.

Initially, the total momentum of the system is zero because the rifle and bullet are at rest. After firing the bullet, the total momentum of the system is given by:

m1v1 + m2v2 = 0

where m1 and v1 are the mass and velocity of the bullet, and m2 and v2 are the mass and recoil velocity of the rifle, respectively.

Substituting the given values, we get:

(0.001 kg)(150 m/s) + (2.0 kg)(v2) = 0

Solving for v2, we get:

v2 = -(0.001 kg)(150 m/s) / (2.0 kg)

v2 = -0.075 m/s

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The magnitude of the resultant force acting on the shot is 1000 N, and its direction is approximately 59.5 degrees above the horizontal.

The resultant force acting on the shot can be found using vector addition of the two forces applied on the shot.

The two forces can be represented as vectors in the xy-plane, with the horizontal force of 500 N pointing in the positive x-direction and the vertical force of 866 N pointing in the positive y-direction. We can use the Pythagorean theorem and trigonometry to find the magnitude and direction of the resultant force vector.

The magnitude of the resultant force vector F is given by:

|F| = [tex]\sqrt{(500 N)^2 + (866 N)^2)}[/tex]

|F| = 1000 N

The direction of the resultant force vector is given by the angle θ it makes with the positive x-axis:

tan θ = (866 N) / (500 N)

θ = tan⁻¹(866/500)

θ ≈ 59.5 degrees

Therefore, the magnitude of the resultant is 1000 N, and its direction is approximately 59.5 degrees.

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Yes, it is reasonable to expect that you would see the Sun with a sensitive radio telescope.

Radio waves can penetrate through the clouds and the atmosphere, so with a powerful radio telescope you can observe the Sun even on a cloudy day.

Gather the necessary components of the radio telescope, such as a dish and receiver. Point the radio telescope towards the Sun. Tune the receiver to the proper frequency. Take a look at the results from the telescope and observe the Sun.

Therefore, you can expect that you would see the Sun with a sensitive radio telescope.

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The correct option is C, The period of oscillation should be proportional to A^-1 square root of m/k.

mass m, with dimensions of M

force constant k with dimensions of ML^-2T^-2

amplitude A, with dimensions of L

To find the relation for period of oscillation with dimension T

To get the dimension T from m,k and A

[tex]1/A*\sqrt{(m/k)} = 1/L*\sqrt{(M/ML^{-2}T^{-2}) }= 1/L*LT = T[/tex]

Oscillation refers to the repetitive variation of a physical quantity around a central value or equilibrium position. It is a common phenomenon in many natural and man-made systems, ringing from simple pendulums and springs to complex electrical circuits and biological processes.

In an oscillating system, the physical quantity, such as displacement, velocity, or current, continuously changes between maximum and minimum values with a fixed frequency and amplitude. The frequency of oscillation is the number of cycles per unit time, usually measured in Hertz (Hz), while the amplitude is the maximum deviation from the equilibrium position. Oscillations can be periodic, where the motion repeats itself exactly over a fixed time interval, or non-periodic, where the motion is irregular and unpredictable.

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Complete Question: -

The period of oscillation of a nonlinear oscillator depends on the mass m, with dimensions of M; a restoring force constant k with dimensions of ML^-2T^-2 and the amplitude A, with dimensions of L. Dimensional analysis shows that the period of oscillation should be proportional to

a) A square root of m/k b) A^2 m/k c) A^-1 square root of m/k d) (A^2k^3)/m

A net force of 10 N acts on the rock when it is halfway to the top of its path.

The net force acting on the rock can be calculated using the following equation:

Fnet = ma

Where Fnet is the net force, m is the mass, and a is the acceleration.

When the rock is halfway to the top of its path, its velocity is zero since it momentarily stops at the top of its motion. As a result, its acceleration is equal to the acceleration due to gravity, which is -10 m/s² since it is acting in the opposite direction to the upward direction. This is the gravitational force acting on the rock.

We can now calculate the net force acting on the rock at this point in its motion:

Fnet = ma

Fnet = (1 kg)(-10 m/s²)

Fnet = -10 N

Since the acceleration due to gravity is acting downward and the rock is moving upward, the net force is equal to the force of gravity, which is 10 N.

Therefore, the net force that acts on the rock when it is halfway to the top of its path is -10 N or 10 N in the downward direction. This net force is equal in magnitude to the weight of the rock.

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The Seiches at Hegben Lake Dam in Montana in 1959 were caused by a phenomenon known as resonance. Resonance is when energy is transferred through a system, resulting in a large oscillation. In this case, the system was the water in the lake.

The energy was the wave created by a passing cold front. The cold front created a wave that was transferred through the lake, causing a resonance—the seiches. This is similar to pushing a child on a swing, where the energy is transferred back and forth between the swing and the pushing force.

The waves created by the cold front oscillated back and forth within the lake, creating a series of seiches. The seiches caused the water to slosh violently back and forth, resulting in an unusual sight. The seiches eventually dissipated, but they were an interesting example of the power of resonance.

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No stable interference pattern is formed on the ceiling.

Instead, you would see a simple combination of the light emitted by both bulbs, creating a uniformly lit ceiling.

The absence of an interference pattern in the scenario you described is due to the nature of the light sources and the way they emit light.

Incandescent light bulbs emit incoherent light, which means the light waves from these bulbs are not in phase with each other.
An interference pattern is created when two coherent light sources, like lasers, emit light waves that are in phase with each other.

When these light waves meet, they create a pattern of constructive and destructive interference.

Constructive interference occurs when the crests (or high points) of two light waves align, resulting in a brighter area, while destructive interference occurs when the crest of one wave aligns with the trough (or low point) of another wave, resulting in a darker area.

This alternating pattern of bright and dark areas is known as an interference pattern.
However, in your scenario with two incandescent light bulbs, the light waves emitted by each bulb are incoherent, meaning they have random phases and do not align consistently.

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In the following question, among the various parts to solve on visible spectrum.- A. Red light has a longer wavelength than violet light. B. Violet light has a higher frequency than red light. C. Violet light has greater energy than red light.

Violet and red light from the visible spectrum can be compared based on their wavelengths, frequencies, and energies. Violet light has a shorter wavelength, higher frequency, and greater energy than red light. The answers to the specific questions are: Which has the longer wavelength? Red light has a longer wavelength than violet light. Which has the greater frequency? Violet light has a higher frequency than red light. Which has the greater energy? Violet light has greater energy than red light. An HTML-formatted answer would look like this:

Violet and red light from the visible spectrum can be compared based on their wavelengths, frequencies, and energies. Violet light has a shorter wavelength, higher frequency, and greater energy than red light. The answers to the specific questions are:

For more such questions on visible spectrum.

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Answer:

The electric power didn’t last very long. It lasted only as long as the chemical reaction in the battery.

Explanation: