The following equations give the position x(1) of a particle in four situations (in each equation, x is in meters, 1 is in seconds, and t> 0): (1) x = 3t – 2; (2) x = -4r² – 2; (3) x = 2/r²; and (4) x = -2. (a) In which situation is the velocity v of the particle con- stant? (b) In which is v in the negative x direction?

The following equations give the position x(1) of a particle in four situations (in each equation, x is in meters, 1 is in seconds, and t> 0): (1) x = 3t – 2; (2) x = -4r² – 2; (3) x = 2/r²; and (4) x = -2. (a) In which situation is the velocity v of the particle con- stant? (b) In which is v in the negative x direction?

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Description: The following equations give the position x(1) of a particle in four situations (in eachequation, x is in meters, 1 is in seconds, and t> 0): (1) x = 3t – 2; (2) x = -4r² – 2;(3) x = 2/r²; and (4) x = -2. (a) In which situation is the velocity v of

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter3: Motion In Two Dimensions

Section: Chapter Questions

Problem 6P: At t = 0, a particle moving in the xy plane with constant acceleration has a velocity of...

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The following equations give the position x(1) of a particle in four situations (in each
equation, x is in meters, 1 is in seconds, and t> 0): (1) x = 3t – 2; (2) x = -4r² – 2;
(3) x = 2/r²; and (4) x = -2. (a) In which situation is the velocity v of the particle con-
stant? (b) In which is v in the negative x direction?

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