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OpenStudy (anonymous):
a ball is dropped from a height if 5m onto a sandy floor and penetrates the sand up to 10 cm before coming to restfind the retardaion of the ball in sand assuming it to be uniform
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OpenStudy (anonymous):
1º find the velocity of the ball just befor hiting the sand
OpenStudy (anonymous):
then?
OpenStudy (anonymous):
kk i understood
OpenStudy (anonymous):
v = √ (2 g h) use this formula for 1º part
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