Question

what is the kinetic energy of a body of mass 1 kg moving with a velocity of 2 metre per second what happens to its kinetic energy with velocity is doubled​

Answer 1

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K.E=0.5m×v/2

Given m=1kg;v=10 m/s.

K.E=0.5×1×100=50J

Hence kinetic energy is 50 Joule.

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