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प्रश्न
When a boy doubles his speed, his kinetic energy becomes
पर्याय
half
double
four times
no change
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उत्तर
four times
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संबंधित प्रश्न
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?
Name the unit of physical quantity obtained by the formula `(2K)/v^2` Where K: kinetic energy, v: linear velocity
On what factors does the kinetic energy of a body depend?
Which would have a greater effect on the kinetic energy of an object : doubling the mass or doubling the velocity?
Find the momentum of a body of mass 100 g having a kinetic energy of 20 J.
Explain the difference between potential energy and kinetic energy.
Find out the form of energy possessed by the following thing.
A rolling ball
An apple falling from a tree is an example for kinetic energy.
Water stored in water dams possesses kinetic energy.
What is energy of motion? Give examples.
