Question: A boat can make a round trip between two locations

A boat can make a round trip between two locations, A and B, on the same side of a river in a time t if there is no current in the river.
(a) If there is a constant current in the river, the time the boat takes to make the same round trip will be (1) longer, (2) the same, (3) shorter. Why?
(b) If the boat can travel with a speed of in still water, the speed of the river current is , and the distance between points A and B is 1.0 km, calculate the round trip times when there is no current and when there is current.

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  • CreatedAugust 29, 2015
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