*a 0.145 kg baseball reaches a speed of 36 m/s from rest when a bat strikes. if the average force of 500 n was applied on the ball by the bat, what is the impact time?

Impact time is 0.01 seconds.

Explanation:

Express the eventual speed in terms of the average acceleration, impact time and initial velocity (which is 0 in our case):

The average acceleration is the result of applying an average force as given. The duration of the impact can be determined as follows:

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-lavira: )

umm its a tricky question