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

Braylon Davenport

22 October, 14:11

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?

+1

Answers (1)

Know the Answer?

Lincoln Haney · 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.

Round answer as needed