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BIO Fish Navigation. (a) As you can tell by watching them

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 52P Chapter 12

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 52P

BIO Fish Navigation. (a) As you can tell by watching them in an aquarium, fish are able to remain at any depth in water with no effort. What does this ability tell you about their density? (b) Fish are able to inflate themselves using a sac (called the swim bladder) located under their spinal column. These sacs can be filled with an oxygen–nitrogen mixture that comes from the blood. If a 2.75-kg fish in freshwater inflates itself and increases its volume by 10%, find the net force that the water exerts on it. (c) What is the net external force on it? Does the fish go up or down when it inflates itself?

Step-by-Step Solution:

Solution to 52P Step 1 of 3 (a) The fish neither floats on water nor it sinks. It can wade through the water. Thus the average density of fish should be equal to that of water to remain at any depth inside water. If the density of fish is large compared to that of water, it will sink. On the other hand if the density is less compared to that of water, it floats. The fish regulates its density through the swim bladder which is filled with air. (b) We have to find the net force exerted on the fish by the water. Mass of the fish=2.75kg Initial volume =V Final volume =1.1V………………………………….(V’=V+V) When the fish is fully submerged in water, the buoyant force should be equal to the weight of the water displaced by the fish. Step 2 of 3 Buoyant force exerted on fish= Weight of the water displaced by fish=2.75kg X9.8=27N According to Archimedes principle, Weight of the water displaced=Buoyant force exerted on fish Buoyant force on fish=F =BN

Step 3 of 3

Chapter 12, Problem 52P is Solved
Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

The answer to “BIO Fish Navigation. (a) As you can tell by watching them in an aquarium, fish are able to remain at any depth in water with no effort. What does this ability tell you about their density? (b) Fish are able to inflate themselves using a sac (called the swim bladder) located under their spinal column. These sacs can be filled with an oxygen–nitrogen mixture that comes from the blood. If a 2.75-kg fish in freshwater inflates itself and increases its volume by 10%, find the net force that the water exerts on it. (c) What is the net external force on it? Does the fish go up or down when it inflates itself?” is broken down into a number of easy to follow steps, and 113 words. University Physics was written by and is associated to the ISBN: 9780321675460. The full step-by-step solution to problem: 52P from chapter: 12 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. This full solution covers the following key subjects: Fish, itself, Net, Able, inflates. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. This textbook survival guide was created for the textbook: University Physics, edition: 13. Since the solution to 52P from 12 chapter was answered, more than 410 students have viewed the full step-by-step answer.

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