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a ball is dropped from a height of 5m onto a sandy floor and penetrates the sand up to 10 cm before coming to rest ย find the retardation of the ball in sand assmuing it to be uniform.
the answer is 500m/sec2....the velocity of the ball on reaching the ground will be root of 2*10*5 (2gh) and it moves a distance of 10cm i.e 0.1m so the retardation is 500...............please rate me if u like it......
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