what formula could i use to solve this physics question?

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what formula could i use to solve this physics question?

A 0.20 kg billiard ball traveling at a speed of 15m/s strikes the side rail of a pool table at an angle of 60 degrees. If the ball rebounds at the same speed and angle what is the change in its momentum??

2006-10-16 14:14:31 · 2 answers · asked by Anonymous in Education & Reference ➔ Homework Help

2 answers

the momentum doesn't change.

2006-10-16 14:17:00 · answer #1 · answered by Patrick Fisher 3 · 0⤊ 0⤋

Conservation of energy or work formula?

2006-10-16 14:21:19 · answer #2 · answered by gabyrig 3 · 0⤊ 0⤋