Question #72008
A metal ball of mass 0.5kg is dropped from top of a vertical Clift of height 90m. When it hits the beach below it penetrates to a depth of 6.0cn calculate the average retarding force of the sand (neglect air resistance) I know the answer to this question is 7.5kN but I don’t understand how you get to answer
1
Expert's answer
2017-12-20T07:32:22-0500
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