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Estimate the buoyant force that air exerts on you. (To do

Conceptual Physics | 12th Edition | ISBN: 9780321909107 | Authors: Paul G. Hewitt ISBN: 9780321909107 29

Solution for problem 2P Chapter 14

Conceptual Physics | 12th Edition

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Conceptual Physics | 12th Edition | ISBN: 9780321909107 | Authors: Paul G. Hewitt

Conceptual Physics | 12th Edition

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Problem 2P

Estimate the buoyant force that air exerts on you. (To do this, you can estimate your volume by knowing your weight and by assuming that your weight density is a bit less than that of water.)

Step-by-Step Solution:

Solution 2P Introduction A body submerged in a fluid will experience an upward force which is called as buoyant force. Buoyant force will influence the total weight of an object if it is submerged in the fluid. Step 1 In this problem, we are asked to find out the buoyant force exerted by air on our body. The equation for buoyant force, F = Bg Where, - Density of the fluid V - Volume of the body 2 g - acceleration due to gravity = 9.8 m/s Consider the mass of our body as, m = 60 kg The weight exerted by our body, F = mg = 60 kg × 9.8 m/s = 588 N 2 We know that the density of water is 1000 kg/m . This is nothing but the mass-volume density of water. We can convert it into weight- volume density. That is, weight-volume density of water, ’ = 1000wg/m × 9.8 m/s = 9800 N /m 2 3 In the question, they have provided that the weight-volume density of our body is bit less than 3 that of water. So, we can assume it as, ’ body= 9700 N/m Therefore, we have to calculate the volume of our body. The volume can be calculated from the relation, Weight-volume density, ’ body= Weight / volume, V Rearrange the equation we get, V = Weight / ’ body Substitute the values in this equation, V = 588 N / 9700 N/m = 0.0606 m 3

Step 2 of 2

Chapter 14, Problem 2P is Solved
Textbook: Conceptual Physics
Edition: 12
Author: Paul G. Hewitt
ISBN: 9780321909107

The full step-by-step solution to problem: 2P from chapter: 14 was answered by , our top Physics solution expert on 04/03/17, 08:01AM. Since the solution to 2P from 14 chapter was answered, more than 260 students have viewed the full step-by-step answer. The answer to “Estimate the buoyant force that air exerts on you. (To do this, you can estimate your volume by knowing your weight and by assuming that your weight density is a bit less than that of water.)” is broken down into a number of easy to follow steps, and 36 words. This textbook survival guide was created for the textbook: Conceptual Physics, edition: 12. This full solution covers the following key subjects: weight, estimate, exerts, buoyant, Density. This expansive textbook survival guide covers 45 chapters, and 4650 solutions. Conceptual Physics was written by and is associated to the ISBN: 9780321909107.

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