A skater of mass 815 kg initially moves in a straight line
A skater of mass 81.5 kg initially moves in a straight line at a speed of 5.30 m/s. The skater approaches a child of mass 35.0 kg, whom he lifts on his shoulders. Assuming there are no external horizontal forces, what is the skater's final velocity?
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a skater of mass 815 kg initially moves in a straight line at a speed of 530 ms the skater approaches a child of mass
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