Mathematics, 26.05.2020 23:04, mayratrejorod3

A 50 kg boy jumps off the back of a 4 kg skateboard. At the start, the boy and board are moving together at 5 m/s. The boy’s velocity after the jump has been reduced to 2.5 m/s, but in the same direction. Calculate the skateboard’s velocity immediately after the boy jumps

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A 50 kg boy jumps off the back of a 4 kg skateboard. At the start, the boy and board are moving toge...