Question 2.6.6: A ball of mass 0.250 kg moves on a frictionless horizontal f...

Physics for the IB Diploma

A ball of mass 0.250 kg moves on a frictionless horizontal floor and hits a vertical wall with speed 5.0 m s $^{-1}$ . The ball rebounds with speed 4.0 m s $^{-1}$ . If the ball was in contact with the wall for 0.150 s, find the average force that acted on the ball.

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