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A boy kicked off a cliff and lands 151m away 45s later. What was the initial velocity? How tall is the cliff?

User Gardarh
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1 Answer

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s = 1/2 g t^2 = 1/2 * 9.8 * 45^2 = 9922 m
That’s the height of the cliff

The original sideways velocity = 151/45 = 3.35 m/s
User Xiaoqiong
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