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KEAM 2014 Physics and Chemistry Paper

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Question : 37

Total: 120

A ball of mass 10 g moving perpendicular to the plane of the wall strikes it and rebounds in the same line with the same velocity. If the impulse experienced by the wall is 0.54 Ns, the velocity of the ball is

27 ms−1
3.7 ms−1
54 ms−1
37 ms−1
5.4 ms−1

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