Homework Help: physics

Posted by cbrown on Wednesday, March 18, 2009 at 3:33am.

A baseball pitcher can throw a baseball at a speed of 42 m/s. If the mass of the ball is 0.12 kg and the pitcher has it in his hand over a distance of 1.9 m, what is the average force exerted by the pitcher on the ball?

physics - cbrown, Wednesday, March 18, 2009 at 3:37am
i already got the answer.
physics - Damon, Wednesday, March 18, 2009 at 10:44am
W = F d = (1/2) m v^2
F (1.9) = (1/2) (.12)(42^2)
physics - Anonymous, Wednesday, March 18, 2009 at 1:02pm
f=.5x.12x42^2/1.9

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