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Unreasonable Results Suppose two children are using a

Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli ISBN: 9780130606204 3

Solution for problem 39PE Chapter 9

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli

Physics: Principles with Applications | 6th Edition

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Problem 39PE

Unreasonable Results Suppose two children are using a uniform seesaw that is 3.00 m long and has its center of mass over the pivot. The first child has a mass of 30.0 kg and sits 1.40 m from the pivot. (a) Calculate where the second 18.0 kg child must sit to balance the seesaw. (b) What is unreasonable about the result? (c) Which premise is unreasonable, or which premises are inconsistent?

Step-by-Step Solution:

Solution 39PE Step-by-step solution Step 1 of 4 (a) Since that two children are using a uniform seesaw and it has center of mass over the pivot. Draw the free body of diagram as given below, Step 2 of 4 Apply the second condition of equilibrium that is net applied torque around pivot point, A is zero. Here, is mass of first children, is mass of second children, is position of first children from pivot point A and is position of second children from pivot point A. Since weight of first children is, Here, is mass of first children and g is acceleration due to gravity. Since weight of second children is, Here, is mass of second children and g is acceleration due to gravity. Substitute and , Substitute 30 kg for , 18.0 kg for , 9.8 m/s2 for g and 1.40 m for solve for , Hence, Second child must sit at a distance of form the pivot point.

Step 3 of 4

Chapter 9, Problem 39PE is Solved
Step 4 of 4

Textbook: Physics: Principles with Applications
Edition: 6
Author: Douglas C. Giancoli
ISBN: 9780130606204

The full step-by-step solution to problem: 39PE from chapter: 9 was answered by , our top Physics solution expert on 03/03/17, 03:53PM. This full solution covers the following key subjects: unreasonable, seesaw, Child, pivot, mass. This expansive textbook survival guide covers 35 chapters, and 3914 solutions. The answer to “Unreasonable Results Suppose two children are using a uniform seesaw that is 3.00 m long and has its center of mass over the pivot. The first child has a mass of 30.0 kg and sits 1.40 m from the pivot. (a) Calculate where the second 18.0 kg child must sit to balance the seesaw. (b) What is unreasonable about the result? (c) Which premise is unreasonable, or which premises are inconsistent?” is broken down into a number of easy to follow steps, and 71 words. Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204. This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6. Since the solution to 39PE from 9 chapter was answered, more than 268 students have viewed the full step-by-step answer.

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