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# Force exerted on a baseball by a bat

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The force exerted on a 0.140 kg baseball by a bat changes from 0.0 N to 1.0 X 10^4 N over 0.0010 s, then drops back to zero in the same amount of time. The baseball was going toward the bat at 23 m/s.

(a) Draw a graph of force versus time. What is the average force exerted on the ball by the bat?

(b) What is the acceleration of the ball

(c) What is the final velocity of the ball, assuming that it reverses direction?

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#### Solution Preview

The force exerted on a 0.140 kg baseball by a bat changes from 0.0 N to 1.0 X 104 N over 0.0010 s, then drops back to zero in the same amount of time. The baseball was going toward the bat at 23 m/s.

(a) Draw a graph of force versus time. What is the average force exerted on the ball by the bat?

(b) What is the acceleration of the ball

(c) What is the final velocity of the ball, assuming that it reverses direction?

Solution:

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#### Solution Summary

The expert examines force exerted on a baseball by a bat. A graph is provided for force versus time. The final velocity of the ball is determined.

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