A massless rigid rod of length L has a ball of mass m

Fundamentals of Physics | 10th Edition | ISBN: 9781118230718 | Authors: David Halliday

Problem 87 Chapter 8

Fundamentals of Physics | 10th Edition

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Fundamentals of Physics | 10th Edition | ISBN: 9781118230718 | Authors: David Halliday

Fundamentals of Physics | 10th Edition

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Problem 87

A massless rigid rod of length L has a ball of mass m attached to one end (Fig. 8-68). The other end is pivoted in such a way that the ball will move in a vertical circle. First, assume that there is no friction at the pivot. The system is launched downward from the horizontal position A with initial speed v0. The ball just barely reaches point D and then stops. (a) Derive an expression for v0 in terms of L, m, and g. (b) What is the tension in the rod when the ball passes through B? (c) A little grit is placed on the pivot to increase the friction there. Then the ball just barely reaches C when launched from A with the same speed as before. What is the decrease in the mechanical energy during this motion? (d) What is the decrease in the mechanical energy by the time the ball finally comes to rest at B after several oscillations? D B A L C Pivot point Rod Figure 8-68 87.

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Introduction to Business Systems Innovation 101 I. What is Innovation a. Something new b. In an organizational setting we generally distinguish innovation from invention. II. Invention vs. Innovation a. Invention: creating something new b. Innovation: putting an invention into practice; “generating value from an...

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Chapter 8, Problem 87 is Solved
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Textbook: Fundamentals of Physics
Edition: 10
Author: David Halliday
ISBN: 9781118230718

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