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Two idential solid balls, one of ivory and the other of wet caly, are dropped from the same height on the floor. Which one will rise to a greater height after striking the floor and why ?A. ivory ball will rise to a greater height than wet clay ball.B. ivory ball will rise to a lesser height than wet clay ball.C. both balls will rise to the same height.D. data is insufficient. |
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Answer» Correct Answer - A As the ivory ball is more elastic than wet clay ball, therefore it will tend to regain its shape instantaneously after the collision: Hence, there will be a large energy and momentum transfer compared to the wet clay. Thus, the ivory ball will rise higher after the collision. |
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