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?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter4: Motion In Two And Three Dimensions
Section: Chapter Questions
Problem 78P: A river is moving east at 4 m/s. A boat starts from the dock heading 30 north of west at 7 m/s. If...
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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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