Physics, 16.04.2020 17:53 deepspy599otchpd
Two young children face each other standing on roller skates. If the first child (mass of 40 kg) pushes off from the second child (mass of 30 kg) to the right with a speed of 4 m/s, what is the speed and direction of the second child
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Two young children face each other standing on roller skates. If the first child (mass of 40 kg) pus...
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