. A body of mass 10 kg is moving with a velocity 20m s-1
A body of mass 10 kg is moving with a velocity 20m s-1. If the mass of the body is doubled and its velocity is halved, find: (i) the initial kinetic energy, and (ii) the final kinetic energy.
Best Answer
Let initial Mass, m1= 10kg and velocity, v1 =20 m/s
Final mass, m2=2 x10=20 kg and velocity, v2=20/2= 10m/s
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