COLLEGE PHYSICS - LCPO
4th Edition
ISBN: 9780134700427
Author: Knight
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 71GP
Weddell seals foraging in open water dive toward the ocean bottom by swimming forward in a straight-line path tipped below the horizontal. The tracking data for one seal showed it taking 4.0 min to descend 360 m below the surface while moving 920 m horizontally.
- a. What was the angle of the seal's path below the horizontal?
- b. What distance did the seal cover in making this dive?
- c. What was the seal's speed, in m/s?
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Weddell seals foraging in open water dive toward the ocean bottom by swimming forward in a straight-line path tipped below the horizontal. The tracking data for one seal showed it taking 4.0 min to descend 360 m below the surface while moving 920 m horizontally. a. What was the angle of the seal’s path below the horizontal? b. What distance did the seal cover in making this dive? c. What was the seal’s speed, in m/s?
The problem relates to the gliding flight of flying squirrels. These squirrels glide from tree to tree at a constant speed, moving in a straight line tipped below the vertical and steadily losing altitude as they move forward. Short and long glides have different profiles.
A squirrel in a typical long glide covers a horizontal distance of 16 m while losing 8.0 m of elevation. During this glide,a. What is the angle of the squirrel’s path below the horizontal?b. What is the total distance covered by the squirrel?
Whale sharks swim forward while ascending or descending. They swim along a straight-line path at a shallow angle as they move from the surface to deep water or from the depths to the surface. In one recorded dive, a shark started 50 m below the surface and swam at 0.85 m/s along a path tipped at a 13° angle above the horizontal until reaching the surface.a. What was the horizontal distance between the shark’s starting and ending positions?b. What was the total distance that the shark swam?c. How much time did this motion take?
Chapter 1 Solutions
COLLEGE PHYSICS - LCPO
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