Question

calculate the momentum of a stone of mass 450 gram moving with a speed of 120 centimetre per second

Answer 1

momentum of stone = mass ×velocity where mass = 450g=0.45kg and velocity =120cm/s= 1.2m/s therefore o.45×1.2= 0.540kgm/s(inSI system) and ib C.G.S. system 540×10^2cmg/s