15) A 475 gram ball is traveling horizontally at 12.0 m/s tothe left when it is

Question

15) A 475 gram ball is traveling horizontally at 12.0 m/s tothe left when it is suddenly struck    horizontally by a bat, causing it toreverse direction and initially travel at 8.50 m/s to theright    If the bat produced an average forceof 1275 N on the ball, for how long (in ms) was it in contact    with the ball ?    horizontally by a bat, causing it toreverse direction and initially travel at 8.50 m/s to theright    If the bat produced an average forceof 1275 N on the ball, for how long (in ms) was it in contact    with the ball ?

Explanation / Answer

momentum =   force * time m (v final-vinitial) = force* time 0.475 * (8.50 - (-12.0))= 1275* time 9.738 =1275 * t t =0.0076 s

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