How long does it take the boat to make a round trip

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Q. A boat moves through the water of a river at 10-m/s relative to the water, regardless of the boat's direction. If the water in the river is flowing at 1.6-m/s, how long does it take the boat to make a round trip consisting of a 280m displacement downstream followed by a 280m displacement upstream?

Reference no: EM1393073

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