1. a4-kg ball has a momentum of 12 kg m/s. what is the ball's speed?
ap
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c22 a swimmer with a mass of 75 kg dives off a raft with a mass of 500 kg. if the swimmer's speed is 4 m/s
immediately after leaving the raft, what is the speed of the raft?
hint" the swimmer and raft start off as one combined mass and then separate.
- after colliding, two objects stick together and have a single velocity. identify the type of collision.
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