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OpenStudy (alana242):
Ryan of mass 50kg, running at 1.5m/s, jumps on to a stationary trolley of mass 10 kg, and both move together along a long corridor in a supermarket. Calculate: the momentum of the trolley before Ryan jumps on it and ryans momentum just before jumping on to the trolley
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OpenStudy (alana242):
momentum is equal to mass*velocity so i did 10 kg*0 m/s
OpenStudy (alana242):
which gave 0 kg m/s for the trolley
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