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Average force

  1. Mar 3, 2010 #1
    1. The problem statement, all variables and given/known data
    Suppose a .146 kg baseball is travelling at 40 m/s.

    a.How much work must be done on the ball to stop it? answer 116.8 J

    b. if it is brought to rest in 2 cm what average force must act on the ball?

    2. Relevant equations

    3. The attempt at a solution

    116.8=Favg (.02m)

    5840N/1000=5.48 kN
    Last edited: Mar 3, 2010
  2. jcsd
  3. Mar 3, 2010 #2


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