A ball is dropped from a height of 10m if the energy of the ball reduced by 40
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When the ball is dropped from a 10m height, it loses 40% energy thus affecting the same percentage of height when it bounces back. Now 40% of the energy lost means 40% of the height also lost on bouncing back. Given height is 10m and when you lose 40% of 10m, left will be 60% of 10m
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