Question

A body of mass 4 kg is dropped from a height of 20m .calculate the initial momentum and the momentum just before it strikes the ground (g=10m/s*s)

Answer 1

if v = 0, p = 0

v ground = sqrt (2 g h)

momentum at ground = m v = 4 sqrt (2 g h)

Answer 2

It is very mamamamamamamama answer