(a) Define the momentum of a particle and of a system.?

(a) Define the momentum of a particle and of a system.


(b) Define impulse and relate it to momentum change.


(c) Apply momentum conservation to collisions; apply energy conservation to elastic collision.


(d) Two billiard balls of equal mass undergo a perfectly elastic head-on collision. If the speed of one ball was initially 2.0 m/s, and of the other 3.0 m/s in the opposite, what will be their speeds after the collision?

(a) Define the momentum of a particle and of a system.?
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