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Q: An object with mass moves with speed and has kinetic energy . If its velocity is doubled, So what will be its kinetic energy –
  • A. K/2
  • B. 2K
  • C. 4K
  • D. K/4
Correct Answer: Option C - If velocity is doubled, kinetic energy increases by 4 times. Kinetic energy of a body is the energy possessed by virtue of its motion if the body is moving with any velocity it will always have kinetic energy i.e. become 4K.
C. If velocity is doubled, kinetic energy increases by 4 times. Kinetic energy of a body is the energy possessed by virtue of its motion if the body is moving with any velocity it will always have kinetic energy i.e. become 4K.

Explanations:

If velocity is doubled, kinetic energy increases by 4 times. Kinetic energy of a body is the energy possessed by virtue of its motion if the body is moving with any velocity it will always have kinetic energy i.e. become 4K.