Question

A ball hits a wall horizontally at 6.0 m s"'. It rebounds horizontally at 4.4 m s-1. The ball is in contact with
the wall for 0.040 s. What is the acceleration of the ball ?

Answer 1

Answer

initial velocity = 6 m/s ( forward)

final velocity = 4.4 m/s ( backward) = -4.4 m/s ( forward )

acceleration = change in velocity/time  

= ( -4.4 -6)/ 0.04 = -10.4/0.04  

= -1040/4 = -260 m/s² ( forward )

Answer 2

Answer is in the photo attached check it out!!!

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