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A baseball diamond is a square with side 90 ft. A batter hits the ball and...

A baseball diamond is a square with side 90 ft. A batter hits the ball and runs toward first base with a speed of 29 ft/s.

(a) At what rate is his distance from second base decreasing when he is halfway to first base? (Round your answer to one decimal place.)


(b) At what rate is his distance from third base increasing at the same moment? (Round your answer to one decimal place.)

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