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Get Full Access to Physics: Principles With Applications - 6 Edition - Chapter 5 - Problem 48gp
Get Full Access to Physics: Principles With Applications - 6 Edition - Chapter 5 - Problem 48gp

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# The cable lifting an elevator is wrapped around a

ISBN: 9780130606204 3

## Solution for problem 48GP Chapter 5

Physics: Principles with Applications | 6th Edition

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Problem 48GP

The cable lifting an elevator is wrapped around a 1.0-mdiameter cylinder that is turned by the elevator’s motor. The elevator is moving upward at a speed of 1.6 m/s. It then slows to a stop as the cylinder makes one complete turn at constant angular acceleration. How long does it take for the elevator to stop?

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Step 1 of 3

Solution To solve this problem we have require knowledge about one dimensional kinematics.the elevator will advance an amount equal to circumference of the cylinder allow y = 2r For one dimensional kinematics v v = 2a02 v = v0+at Combine first two equation solve for a ,and insert the result into third equation that is t = 4R/v 0 t = 4(0.50 m)/(1.6 m/s) t = 3.9 s

Step 2 of 3

Step 3 of 3

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