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Physics, 03.03.2021 01:00 Woodlandgirl14
a 50-kg boy on roller skates moves with a speed of 5 m/s. He runs to a 40kg girl on skates. Assuming they cling together after a collision, what is their speed?
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a 50-kg boy on roller skates moves with a speed of 5 m/s. He runs to a 40kg girl on skates. Assuming...
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