A body of mass m strikes a wall with velocity v and rebounds with the same speed. Its change in momentum is
Posted: Mon Dec 13, 2021 6:12 am
A body of mass m strikes a wall with velocity v and rebounds with the same speed. Its change in momentum is
(A) 2 mv (B) mv/2 (C) -mv (D) Zero
(A) 2 mv (B) mv/2 (C) -mv (D) Zero