Factors Affecting Kinetic Energy

Q.

If the speed of the car is halved, how does the kinetic energy change?

Q.

The potential energy of a body at height h is $mgh.$. Then its kinetic energy just before hitting the ground is _________

Q.

If the velocity of an object is doubled, what is the change in its K.E.?

Q.

What is relation between velocity and kinetic energy and why is so

Q. Kinetic energy of the particle depends on the square of speed of the particle. If error in the measurement of speed is 40% then error in the measurement of the kinetic energy will be

Q.

Does kinetic energy of a body depend on the direction of motion of the object?

Q.

State true or false.
Kinetic energy is proportional to the square root of the speed.

1. True

2. False

Q.

What are the conclusions derived from expression of the kinetic energy?

Q. What will happen if something travels at speed of light?

Q.

State the factors affecting the kinetic energy of a body.

Q.

When a boy doubles his speed, his kinetic energy becomes ___times the initial kinetic energy.

Q.

If we increase the speed of an object, kinetic energy will :

1. decrease and then increase

2. decrease

3. Increase and then decrease

4. increase

Q.

State two factors on which the kinetic energy of a moving body depends.

Q.

Name two factors on which kinetic energy of an object depends.

Q. which factor will have a greater effect on a kinetic enerny of an object doubling its mass or doubling its velocitt

Q.

What kind of energy is possessed by a shooting star.

Q.

If the speed of a motor car becomes six times, then the kinetic energy becomes

1. $6$ times

2. $36$ times

3. $12$ times

4. $24$ times

Q. State whether the given statement is True or False :

1. True
2. False