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Force exerted over a distance

  1. Oct 21, 2009 #1
    1. The problem statement, all variables and given/known data
    The fastest pitched baseball was clocked at 46 m/s. If the pitcher exerted his force (assumed to be horizontal and constant) over a distance of 1.0 m, and a baseball has a mass of 145 g.
    What force did the pitcher exert on the ball during this record-setting pitch?

    2. Relevant equations
    f=ma


    3. The attempt at a solution
    I know that newtons are (kg*m)/sec^2, but I only have a velocity, not an acceleration, so I can't figure out the right force.
     
  2. jcsd
  3. Oct 21, 2009 #2
    Not to give away the answer: There is a formula that relates acceleration, initial velocity, final velocity, and distance traveled. Since you know three of the four items, with it you can find the acceleration, and hence the force.

    Go find it in your textbook.
     
  4. Oct 21, 2009 #3
    Figured it out! thanks!
     
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