(Answered) A 78 kg baseball player jumps straight up to catch a

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A 78 kg baseball player jumps straight up to catch a hard-hit ball.

If the 140 g ball is moving horizontally at 23 m/s, and the catch is made when the ballplayer is at the highest point of his leap, what is his speed immediately after stopping the ball?

Express your answer to two significant figures and include the appropriate units.

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