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October 31, 2014

Homework Help: physics

Posted by Anonymous on Tuesday, October 7, 2008 at 5:44pm.

A 1 kg steel ball strikes a wall with a speed of 9.99 m/s at an angle of 55.1 ◦ with the normal to the wall. It bounces off with the same speed and angle.

If the ball is in contact with the wall for 0.292 s, what is the magnitude of the average force exerted on the ball by the wall? Answer in units of N.

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