# Answer to Question #16641 in Mechanics | Relativity for Ricky Wagner

Question #16641
1. A basketball player achieves a hang time of 1.11 s in dunking the ball. What vertical height will he attain? The acceleration of gravity is 9.8 m/s^2. Answer in units of m 2. A bullet is ﬁred straight up from a gun with a muzzle velocity of 263 m/s. Neglecting air resistance, what will be its displacement after 7.8 s? The acceleration of gravity is 9.8 m/s^2. Answer in units of m 3. A rock is thrown downward from an unknown height above the ground with an initial speed of 30 m/s. It strikes the ground 8.7 s later. Determine the initial height of the rock above the ground. The acceleration of gravity is 9.8 m/s^2 Answer in units of m 4. A ball is thrown straight up and passes point B (at a height of 53.4 m above its starting point O) in 4.6 s. What was its initial speed? The acceleration of gravity is 9.8 m/s^2. Answer in units of m/s
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2012-10-16T08:24:04-0400

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