Question

A particle of mass m strikes elastically on a wall with velocity v, at an angle of 60° from the wall then magnitude of
change in momentum of ball
along the wall is
(1) Zero
(2) 2my
(3) 3mv
(4) mv
​

Answer 1

Explanation:

hope is helps ya so this is my and pls mark brainlies

Answer 2

Answer:

here's your answer.............