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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Textbook Question
Chapter 2.1, Problem 2.1QQ
Under which of the following conditions is the magnitude of the average velocity of a particle moving in one dimension smaller than the average speed over some time interval? (a) A particle moves in the +x direction without reversing. (b) A particle moves in the −x direction without reversing. (c) A particle moves in the +x direction and then reverses the direction of its motion. (d) There are no conditions for which it is true.
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A particle leaves the origin with an initial velocity = (2.54î) m/s and a constant
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(a) Number -1.07
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At time t = 16 s, the velocity of a particle moving in the x-y plane is v = 0.12i + 2.69j m/s. By time t = 16.15 s, its velocity has become -0.07i + 2.56j m/s. Determine the magnitude aav of its average acceleration during this interval and the angle θ made by the average acceleration with the positive x-axis. The angle θ is measured counterclockwise from the positive x-axis.
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dav =
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m/s²
O
Chapter 2 Solutions
Principles of Physics: A Calculus-Based Text
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