Relative Velocity: You Want to Swim Straight Across a River

question 15

Multiple Choice

Relative velocity: You want to swim straight across a river that is wide. You find that you can do this if you swim at an angle of θ = 28° from the upstream direction at a constant rate of relative to the water. At what rate does the river flow? The angle θ is measured from the river bank (directly upstream is while directly across the river is

• A) 1.3 m/s
• B) 0.70 m/s
• C) 1.6 m/s
• D) 1.8 m/s

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Definitions:

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