A metal ball of mass 100g is released from rest at the top of a vertical cliff. It hits the ground after falling for 4 seconds and penetrates 10cm into the ground. Taking g=10m/s², determine the height of the cliff.
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Expert's answer
2019-09-09T11:02:00-0400
To solve this problem, it is enough for us to know the time during which the thrown ball reached the ground.
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