You (50 kg mass) skate on ice at 4.6 m/s to greet your friend (54 kg mass), who is standing still, with open arms. As you collide head-on, while holding each other, with what speed do you both move off together?
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You (50 kg mass) skate on ice at 4.6 m/s to greet your friend (54 kg mass), who is standing still, with open arms. As you collide head-on, while holding each other, with what speed do you both move off together?
Use conservation of momentum to find the final velocity:
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