Advertisements
Advertisements
Question
Find out the form of energy possessed by the following thing.
A rolling ball
Advertisements
Solution
Kinetic Energy
APPEARS IN
RELATED QUESTIONS
Write an expression for the kinetic energy of an object.
The kinetic energy of an object of mass m moving with a velocity of 5 m s−1 is 25 J. What will be its kinetic energy when its velocity is doubled? What will be its kinetic energy when its velocity is increased three times?
Kinetic energy = 1/2 × mass × ............
State two factors on which the kinetic energy of a moving body depends.
Two bodies of equal masses are moving with uniform velocities v and 2v. Find the ratio of their kinetic energies.
A body of mass 10 kg is moving with a velocity 20 m s-1. If the mass of the body is doubled and its velocity is halved, find:
- the initial kinetic energy, and
- the final kinetic energy.
How much work is needed to be done on a ball of mass 50 g to give it a momentum of 5 kg cm s-1?
Which would have a greater effect on the kinetic energy of an object : doubling the mass or doubling the velocity?
How fast should a man of 50 kg run so that his kinetic energy be 625 J?
If an object has 0 momentum, does it have kinetic energy? Explain your answer.
