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Next-Time Question

The Life Preservers

QUESTION:

drawing of a person and life preservers in the water

Suppose you and a pair of life preservers are floating down a swift river, as shown. You wish to get to either of the life preservers for safety. One is 3 meters downstream from you, and the other is 3 meters upstream from you. Which can you swim to in the shortest time?

  1. The preserver upstream
  2. The preserver downstream
  3. Each swim requires the same time.

For help with this question, see Conceptual Physics, Chapter 2.

Check your answer.



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