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Problem#4: A man in a boat paddles with a power output of 42.0 W to maintain a steady speed of 3.25 m/s. Calculate the resistive

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Problem#4: A man in a boat paddles with a power output of 42.0 W to maintain a steady speed of 3.25 m/s. Calculate the resistive force exerted by the water on the boat. If the man doubles his power output, and the resistive force due to the water remains the same, by what factor does the man's speed change

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