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प्रश्न
The kinetic energy of a body is the energy by virtue of its ______.
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उत्तर
The kinetic energy of a body is the energy by virtue of its motion.
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संबंधित प्रश्न
Define the term kinetic energy. Give one example of a body which possesses kinetic energy.
A car is moving with a speed of 15 km h-1 and another identical car is moving with a speed of 30 km h-1. Compare their kinetic energy.
A bullet of mass 50 g is moving with a velocity of 500 m s−1. It penetrated 10 cm into a still target and comes to rest. Calculate:
- the kinetic energy possessed by the bullet, and
- the average retarding force offered by the target.
Two bodies have masses in the ratio 5 : 1 and their kinetic energies are in the ratio 125 : 9. Calculate the ratio of their velocities.
If the speed of a body is halved, what will be the change in its kinetic energy?
On what factors does the kinetic energy of a body depend?
How fast should a man of 50 kg run so that his kinetic energy be 625 J?
Find the momentum of a body of mass 100 g having a kinetic energy of 20 J.
What do you understand by the kinetic energy of a body?
When the speed of a moving object is doubled, then its kenetic energy ______.
