A boat moves at 10.0 m/s relative to the water. if the boat is in a river where the current is 2.00 m/s, how long does it take the boat to make a complete round trip of 1 000 m upstream followed by a 1 000-m trip downstream?

Question

Mathematics

Lindsay Oneal

5 October, 23:57

A boat moves at 10.0 m/s relative to the water. if the boat is in a river where the current is 2.00 m/s, how long does it take the boat to make a complete round trip of 1 000 m upstream followed by a 1 000-m trip downstream?

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Dylan Sims · Answer 1

upstream = 1000 / (10-2) = 1000/8 = 125 seconds

downstream = 1000 / (10+2) = 1000/12 = 83.33 seconds

125+83.33 = 208.33 seconds

208.33/60 = 3.472 minutes.

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