Moses O. answered • 05/04/23
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Llama N.
asked • 05/04/23How high is it if its velocity is 5 m/s?
A bullet was fired from a gun directly upward. It reached a maximum height of 2 km. What is its velocity when it leaves the gun? How high is it if its velocity is 5 m/s?
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Yefim S. answered • 05/04/23
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mv2 = mgh; v = √2gh = √2·9.8m/s2·2000m = 198 m/s;
mgH = mv2/2 + mgh; h = H - v2/(2g) = 2000m - 25m2/s2/(2·9.8m/s2) = 1998.72 m
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