A kayaker needs to paddle north across a 100-m-wide harbor. The tide is going out, creating a tidal current flowing  east at 2.0 m/s. The kayaker can paddle with a speed of 3.0 m/s. a. In which direction should he paddle in order to travel straight across the harbor? b. How long will it take him to cross?

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter6: Motion In Two Dimensions
Section6.3: Relative Velocity
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A kayaker needs to paddle north across a 100-m-wide harbor. The tide is going out, creating a tidal current flowing  east at 2.0 m/s. The kayaker can paddle with a speed of 3.0 m/s.
a. In which direction should he paddle in order to travel straight across the harbor?
b. How long will it take him to cross?

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