Homework Help: physics

Posted by Anonymous on Tuesday, January 25, 2011 at 11:06pm.

A 2.50 kg ball strikes a wall with a velocity of 10.0 m/s to the left. The ball bounces off with a velocity of 4.5 m/s to the right. If the ball is in contact with the wall for 0.10 s, what is the constant force exerted on the ball by the wall?
N to the right

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