Question

The body of mass 50 kg has a momentum of 10^3 kg ms.it kinetic energy is

Answer 1

Momentum = mass * velocity

10^3= 1000= 50*v

V =1000/50

= 20 m/s

Kinetic energy= 1/2mv^2

=1/2*50*20*20 = 10000 J

Answer 2

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