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Physics, 09.12.2020 16:20 sangamlama

9. An 80g stone is released at the top of a vertical cliff. After falling for 3s, it reaches the floor of the cliff and penetrates 9cm into the ground. Determine
the height of the cliff
the average force resisting penetration of the ground by the stone.

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9. An 80g stone is released at the top of a vertical cliff. After falling for 3s, it reaches the fl...

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