Copyright © Michael Richmond.
This work is licensed under a Creative Commons License.

#
Impulse on a baseball

A baseball of mass **m = 0.14 kg** is
thrown towards home plate at **100 mph**.
The batter whacks it squarely and sends it
back towards center field at
a speed of **150 mph**.

- What is the ball's initial momentum?
- What is the ball's final momentum?
- What is the
**impulse**, defined as the
change in momentum
impulse = (final momentum) - (initial momentum)

- If the ball is in contact with the bat for
about
**t = 0.0007 s**,
then what is the average force on the ball during that time?

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Copyright © Michael Richmond.
This work is licensed under a Creative Commons License.