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| 1. |
A steel ball of mass 0.1 kg falls freely from aht of 10m an bounces to a height of 5.4mheigfrom the ground. If the dissipated energy inthis process is absorbed by the ball, the risein its temperature is (specific heat of steel =460 JKg-k-1) (g=10ms-2).(2000 M) |
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