pranshuthakur pranshuthakur

21-09-2022
Physics

contestada

A 74.5 kg wood board is resting on very smooth ice in the middle of a frozen lake. A 37.7 kg boy stands at one end of the board. He walks from one end of the board to the other end with a velocity of 1.49 m/s relative to the ice in the positive direction. What is the velocity of the board relative to the ice?

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