Question

If mass of a body is halved but velocity is doubled how is its momentum changed

Answer 1

Let the initial momentum be p

p = mv

Let the final momentum be p'

mass i s halved

Hence m'=1/2*m

velocity is doubled

Hence v'=2*v

p'=m'v'

p'= 1/2m*2v

   p'= mv

The momentum won't change