Principles of Physics: A Calculus-Based Text
5th Edition
ISBN: 9781133104261
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 5, Problem 11OQ
Before takeoff on an airplane, an inquisitive student on the plane dangles an iPod by its earphone wire. It hangs straight down as the plane is at rest waiting to take off. The plane then gains speed rapidly as it moves down the runway.
- (i) Relative to the student’s hand, does the iPod
- (a) shift toward the front of the plane,
- (b) continue to hang straight down, or
- (c) shift toward the back of the plane?
- (ii) The speed of the plane increases at a constant rate over a time interval of several seconds. During this interval, does the angle the earphone wire makes with the vertical
- (a) increase,
- (b) stay constant, or
- (c) decrease?
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Chapter 5 Solutions
Principles of Physics: A Calculus-Based Text
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