A 9.6 kg dog takes a nap in a canoe and wakes up to find the canoe has drifted out onto the lake but now is stationary. He walks along the length of the canoe at 0.53 m/s, relative to the water, and the canoe simultaneously moves in the opposite direction at 0.12 m/s. What is the mass of the canoe?

asked by Anonymous

12 years ago

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1 answer

mv=MV
M=mv/V=9.6•0.53/0.12=42.4 kg

answered by Elena

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Question

A 9.6 kg dog takes a nap in a canoe and wakes up to find the canoe has drifted out onto the lake but now is stationary. He walks along the length of the canoe at 0.53 m/s, relative to the water, and the canoe simultaneously moves in the opposite direction at 0.12 m/s. What is the mass of the canoe?

1 answer

mv=MV
M=mv/V=9.6•0.53/0.12=42.4 kg

Elena · Answer

mv=MV M=mv/V=9.6•0.53/0.12=42.4 kg