Question

Find the momentum of a body of mass 100g having a kinetic energy 20 joule?

Answer 1

now the answer is clear

Answer 2

Kinetic energy = 1/2*m*v²

20=1/2*0.1*v²

40=0.1v

V=20m/s

Momentum=MV=0.1*20=2kgm/s