A tennis ball is struck at the base line of the court 125 m, Ask an Expert

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A tennis ball is struck at the base line of the court, 12.5 m from the net. The ball is given an initial velocity with a horizontal component equal to 20.5 m/s at an initial elevation of 1.43 m.

(a) What vertical component of initial velocity must be given to the ball, such that it barely clears the 1.00 m high net?

(b) How far beyond the net will the ball hit the ground?

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