Problem a swimmer capable of swimming at a speed of 123 ms, Ask an Expert

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Problem: A swimmer, capable of swimming at a speed of 1.23 m/s in still water (i.e., the swimmer can swim with a speed of 1.23 m/s relative to the water), starts to swim directly across a 1.92-km-wide river. However, the current is 0.886 m/s, and it carries the swimmer downstream.

Part A: How long does it take the swimmer to cross the river?

Part B: How far downstream will the swimmer be upon reaching the other side of the river?

I would really appreciate some help for above problem.

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