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Involute of a Circle 2: Figure 13-5m shows an involute of a circle. A string is wrapped

Precalculus with Trigonometry: Concepts and Applications | 1st Edition | ISBN: 9781559533911 | Authors: Foerster ISBN: 9781559533911 468

Solution for problem 9 Chapter 13-5

Precalculus with Trigonometry: Concepts and Applications | 1st Edition

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Precalculus with Trigonometry: Concepts and Applications | 1st Edition | ISBN: 9781559533911 | Authors: Foerster

Precalculus with Trigonometry: Concepts and Applications | 1st Edition

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Problem 9

Involute of a Circle 2: Figure 13-5m shows an involute of a circle. A string is wrapped around a circle of radius 5 units. A pen is tied to the string at the point (5, 0). Then the string is unwound in the counterclockwise direction. The involute is the spiral path followed by the pen as the string unwinds. The curve is interesting because gear teeth made with their surfaces in this shape transmit the rotation smoothly from one gear to the next. Figure 13-5m a. The parameter t is the radian measure of the angle between the positive x-axis and the line from the origin to the point of tangency of the string. Vector goes from the center of the circle to the point of tangency. Vector goes from the point of tangency to point P(x, y) on the involute. Find a vector equation for position vector (not shown) to point P in terms of the parameter t. Note that and are perpendicular because is a radius to the point of tangency. Confirm that your equation is correct by plotting it on your grapher. Use at least three revolutions for the t-range. Construct an involute by wrapping a string around a roll of tape, tying a pencil or pen to the end of the string, and tracing the path as you unwind the string. Does the involute you plotted in part a agree with this actual involute?

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MSOM 301 Exam #2 Review Guide Chapters 9, 10, 11, 12, and 15 50 Multiple Choice Questions worth one point each (plus an extra credit question worth one point)  Review (don’t memorize) all PowerPoint slides on Blackboard and your notes  Bring a #2 pencil and a blank Scantron form, and valid GMU ID.  I post your grade on Blackboard;...

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Chapter 13-5, Problem 9 is Solved
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Textbook: Precalculus with Trigonometry: Concepts and Applications
Edition: 1
Author: Foerster
ISBN: 9781559533911

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Involute of a Circle 2: Figure 13-5m shows an involute of a circle. A string is wrapped

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