a ball of mass 65g hits a wall with a velocity of 5.2 ms^-1 perpendicular to the wall the ball rebounds perpendicularly from the wall with a speed of 3.7 ms^-1 the contact time of the ball with the wall is 7.5 ms
1) change in momentum
please show to do i use the formula yet i get wrong answer

Question

a ball of mass 65g hits a wall with a velocity of 5.2 ms^-1 perpendicular to the wall the ball rebounds perpendicularly from the wall with a speed of 3.7 ms^-1 the contact time of the ball with the wall is 7.5 ms
1) change in momentum
please show to do i use the formula yet i get wrong answer

goldphenoix · Answer

Isn't this question related to physics?

anonymous · Answer

both maths and physics

goldphenoix · Answer

Oh. I recommend you to post it on the physics section, but let see if people can help you right now.

cggurumanjunath · Answer

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