Question a rock takes 23 s to hit the ground when it is, Ask an Expert

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Question: A rock takes 2.3 s to hit the ground when it is thrown straight up from the cliff with an initial velocity of 8.2 m/s.

Part I: How long would it take to reach the round if it's thrown straight down with the same speed?

Please explain your answer. I know substitution is involved so be sure to give a detailed explanation on that as well.

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Category:- Physics
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