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OpenStudy (anonymous):
A ball is thrown horizontally at a speed of 24 meters per second from the top of a cliff. If the ball hits the ground 4.0 seconds later, approximately how high is the cliff?
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OpenStudy (abhisar):
Hello @deimcc ! Welcome to OpenStudy !
OpenStudy (abhisar):
Using the equation \(\sf s=ut+0.5at^2\) \(\sf s=0\times 4+0.5\times 9.8\times 16\\ \Rightarrow s=78.4 m\)
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