A 2.7 kg ball strikes a wall with a velocity of

7.6 m/s to the left. The ball bounces off with
a velocity of 5.2 m/s to the right.
If the ball is in contact with the wall for
0.23 s, what is the constant force exerted on
the ball by the wall?
Answer in units of N

1 answer

change in momentum / time

= 2.7(7.6+5.2)/.23