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प्रश्न
Kinetic energy = 1/2 × mass × ............
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उत्तर
Kinetic energy = 1/2 × mass ×(Velocity)2
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संबंधित प्रश्न
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?
Calculate the work required to be done to stop a car of 1500 kg moving at a velocity of 60 km/h?
When a boy doubles his speed, his kinetic energy becomes
A cyclist doubles his speed. How will his kinetic energy change: increase, decrease or remain same?
Two bodies of equal masses are moving with uniform velocities v and 2v. Find the ratio of their kinetic energies.
A ball of mass 200 g falls from a height of 5 metres. What is its kinetic energy when it just reaches the ground? (g = 9.8 m/s2)
Find out the form of energy possessed by the following thing.
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What is energy of motion? Give examples.
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