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Predict/Explain Beebe and Barton On Wednesday, August 15,

Physics | 4th Edition | ISBN: 9780321611116 | Authors: James S. Walker ISBN: 9780321611116 152

Solution for problem 29 Chapter 15

Physics | 4th Edition

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Physics | 4th Edition | ISBN: 9780321611116 | Authors: James S. Walker

Physics | 4th Edition

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Problem 29

Predict/Explain Beebe and Barton On Wednesday, August 15, 1934, William Beebe and Otis Barton made history by descending in the Bathyspherebasically a steel sphere 4.75 ft in diameter3028 ft below the surface of the ocean, deeper than anyone had been before. (a)As the Bathysphere was lowered, was the buoyant force exerted on it at a depth of 10 ft greater than, less than, or equal to the buoyant force exerted on it at a depth of 50 ft? (b)Choose the bestexplanationfrom among the following: I. The buoyant force depends on the density of the water, which is essentially the same at 10 ft and 50 ft. II. The pressure increases with depth, and this increases the buoyant force. III. The buoyant force decreases as an object sinks below the surface of the water.

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*Centrifugal Force only present in noninertial reference frames* *Kinetic Friction implies “sliding” not rolling or walking, these involve static friction v 2 EQUATION μ s rg *only or pecific situations hen the static frict he centripetal acceleration* Circular Motion Problems ­ Draw f ree body diagram ­ What f orce is point oward the center ­ F a v2 = ω r net c r ­ Nonuniform Circular M otion ­ Changing tangential velocity dω ­ Angular acceleration α = dt ­ Tangential cceleration at= rα v = rω

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Chapter 15, Problem 29 is Solved
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Textbook: Physics
Edition: 4
Author: James S. Walker
ISBN: 9780321611116

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Predict/Explain Beebe and Barton On Wednesday, August 15,