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Get Full Access to Calculus: Early Transcendentals - 1 Edition - Chapter 4.4 - Problem 43e
Get Full Access to Calculus: Early Transcendentals - 1 Edition - Chapter 4.4 - Problem 43e

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# Solved: Watching a Ferris wheel An observer stands 20 m ISBN: 9780321570567 2

## Solution for problem 43E Chapter 4.4

Calculus: Early Transcendentals | 1st Edition

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Problem 43E

An observer stands 20 m from the bottom of a Ferris wheel on a line that is perpendicular to the face of the wheel, with her eyes at the level of the bottom of the wheel. The wheel revolves at a rate of $$\pi$$ rad/min and the observer's line of sight with a specific seat on the Ferris wheel makes an angle $$\theta$$ with the horizontal (see figure). At what time during a full revolution is $$\theta$$ changing most rapidly? Step-by-Step Solution:

Solution 43E Step 1: Consider that an observer stands 20 m from the bottom of the Ferris wheel on a line that is perpendicular to the face of the wheel. Consider the line with observer sight and a seat makes angle and the line length is L m. Now, consider the diameter of the wheel is r m. Also, consider that the radius of the wheel is r m. Now, the revolving rate is So, the height of the seat from the ground is: Here t is the time in minute. Draw the wheel accordingly

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##### ISBN: 9780321570567

The full step-by-step solution to problem: 43E from chapter: 4.4 was answered by , our top Calculus solution expert on 03/03/17, 03:45PM. This textbook survival guide was created for the textbook: Calculus: Early Transcendentals, edition: 1. This full solution covers the following key subjects: wheel, ferris, observer, line, most. This expansive textbook survival guide covers 112 chapters, and 7700 solutions. Calculus: Early Transcendentals was written by and is associated to the ISBN: 9780321570567. The answer to “?An observer stands 20 m from the bottom of a Ferris wheel on a line that is perpendicular to the face of the wheel, with her eyes at the level of the bottom of the wheel. The wheel revolves at a rate of $$\pi$$ rad/min and the observer's line of sight with a specific seat on the Ferris wheel makes an angle $$\theta$$ with the horizontal (see figure). At what time during a full revolution is $$\theta$$ changing most rapidly?” is broken down into a number of easy to follow steps, and 80 words. Since the solution to 43E from 4.4 chapter was answered, more than 549 students have viewed the full step-by-step answer.

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Solved: Watching a Ferris wheel An observer stands 20 m