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Posted by on Friday, June 1, 2012 at 7:39pm.

A 0.130kg baseball pitched at 35.5 m/s is hit on a horizontal line drive straight back at the pitcher at 50.5 m/s .
Part a: If the contact time between bat and ball is 4.25×10^−3 , calculate the magnitude of the force (assumed to be constant) between the ball and bat.

part b)Determine the direction of the force exerted on a ball.
a)the force is directed towards the pitcher
b) the force is directed away from the pitcher.

  • physics- please respond ! - , Saturday, June 2, 2012 at 12:00pm

    a)
    m•Δv =F•Δt,
    F = m•Δv/ Δt =
    =0.13•(50.5-35.5)/4.25•10^-3 = …

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