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Get Full Access to A First Course In Differential Equations With Modeling Applications - 10 Edition - Chapter 5.1 - Problem 26e
Get Full Access to A First Course In Differential Equations With Modeling Applications - 10 Edition - Chapter 5.1 - Problem 26e

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# After a mass weighing 10 pounds is attached to a 5-foot

ISBN: 9781111827052 44

## Solution for problem 26E Chapter 5.1

A First Course in Differential Equations with Modeling Applications | 10th Edition

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A First Course in Differential Equations with Modeling Applications | 10th Edition

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Problem 26E

After a mass weighing 10 pounds is attached to a 5-foot spring, the spring measures 7 feet. This mass is removed and replaced with another mass that weighs 8 pounds. The entire system is placed in a medium that offers a damping force that is numerically equal to the instantaneous velocity.

(a) Find the equation of motion if the mass is initially released from a point $$\frac{1}{2}$$ foot below the equilibrium position with a downward velocity of 1 ft/s.

(b) Express the equation of motion in the form given in (23).

(c) Find the times at which the mass passes through the equilibrium position heading downward.

(d) Graph the equation of motion.

Text Transcription:

frac12

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