Question

calculate the Kinetic Energy of a body mass 0.1 kg if the linear momentum is 20 kgm/sec

Answer 1

M=0.1kg.

Linear momentum=20kgm/s

Linear momentum=M*V

20kgm/s=0.1*V

V=20/0.1

V=200m/s

K.E=1/2×M×V×V

=1/2×0.1Kg×200m/s×200m/s

K.E.=2000j