Question

A 26-kg body accelerates from 4 m/s to 8 m/s in 6.0 seconds when a force act upon it. Find the change in momentum of the body.

Answer 1

Explanation:

mass =26kg

u=4m/s

v=8m/s

t=6s

mu=26*4=104kgm/s

mv=26*8= 208kgm/s

Change in momentum =mv-mu

=208-104

=104kgm/s