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  1. Sep 27, 2010 #1
    A baseball diamond is a square with side 90 ft. A batter hits the ball and runs toward first base with a speed of 25 ft/s.


    (a) At what rate is his distance from second base decreasing when he is halfway to first base?
    ? ft/s

    (b) At what rate is his distance from third base increasing at the same moment?
    ? ft/s
  2. jcsd
  3. Sep 27, 2010 #2


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    What is your attempt at the solution to this problem?
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