A handball of mass 45 grams strikes a hard wall perpendicularly with an initial speed of 46m/s. The handball is in contact with the wall for 0.078 seconds, and then rebounds straight back with a speed of 39m/s. What average force was applied to the ball?

Use impulse and momentum to solve.

1 Answer
Apr 5, 2018

I tried this:


Here I would use the Theorem of Impulse and Change in Momentum:




Where I considered the signs corresponding to the directions of the velocities:

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