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Physics, 24.07.2019 13:30 juliabochkarev
Two boys on skates push off from each other. the 40 kg boy moves to the left at 10 m/s. if the other boy moves to the right at 8 m/s, what is his mass?
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Two boys on skates push off from each other. the 40 kg boy moves to the left at 10 m/s. if the other...
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