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A hot-air balloon consists of a basket, one passenger, and

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

Solution for problem 56P Chapter 4

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 56P

A hot-air balloon consists of a basket, one passenger, and some cargo. Let the total mass be M?. Even though there is an upward lift force on the balloon, the balloon is initially accelerating downward at a rate of ?g?/3. (a) Draw a free-body diagram for the descending balloon. (b) Find the upward lift force in terms of the initial total weight ?Mg?. (c) The passenger notices that he is heading straight for a waterfall and decides he needs to go up. What fraction of the total weight must he drop overboard so that the balloon accelerates upward? at a rate of ?g?/2? Assume that the upward lift force remains the same.

Step-by-Step Solution:
Step 1 of 3

Solution 56P Total mass is M. The initial acceleration of the balloon downwards was g/3. There is an upward lift by the air drag. So, the final equation for this system can be written as, Ma = Mg upward lift M × g/3 = Mg upward lift upward lift = Mg Mg/3 = Mg ---3-------------(1) a) The free body diagram is given below, b) the upward lift we found as, upward lift = Mg2 3 c) Now the balloon should go up at an acceleration of g/2....

Step 2 of 3

Chapter 4, Problem 56P is Solved
Step 3 of 3

Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

Since the solution to 56P from 4 chapter was answered, more than 344 students have viewed the full step-by-step answer. This full solution covers the following key subjects: balloon, upward, lift, Force, passenger. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. This textbook survival guide was created for the textbook: University Physics, edition: 13. University Physics was written by and is associated to the ISBN: 9780321675460. The full step-by-step solution to problem: 56P from chapter: 4 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. The answer to “A hot-air balloon consists of a basket, one passenger, and some cargo. Let the total mass be M?. Even though there is an upward lift force on the balloon, the balloon is initially accelerating downward at a rate of ?g?/3. (a) Draw a free-body diagram for the descending balloon. (b) Find the upward lift force in terms of the initial total weight ?Mg?. (c) The passenger notices that he is heading straight for a waterfall and decides he needs to go up. What fraction of the total weight must he drop overboard so that the balloon accelerates upward? at a rate of ?g?/2? Assume that the upward lift force remains the same.” is broken down into a number of easy to follow steps, and 112 words.

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