A 650-g cricket ball that moves to the right with a speed of 15.0 m/s is struck by a cricket bat. The ball then moves to the left with a speed of 15.0 m/s. Calculate the magnitude of the average force on the ball if the ball remains in contact with the bat for 0.020 s.   a. 98 N   b. 160 N   c. zero newtons   d. 240 N   e. 320 N

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