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5) A particle, whose acceleration is constant, is moving in the negative x direction at a speed of 5.6 m/s, and 11.5s later the particle is moving in the positive x direction at a speed of 8.29 m/s. a) What is the particle’s acceleration in m/s²?  b) What is the particle’s velocity, in m/s, 11.5 s before it was moving in the negative x direction at a speed of 5.6 m/s?  c) When is the particle at rest? Express this answer as a time in seconds elapsed since it was moving in the negative x direction at a speed of 5.6 m/s?

5) A particle, whose acceleration is constant, is moving in the negative x direction at a speed of 5.6 m/s, and 11.5s later the particle is moving in the positive x direction at a speed of 8.29 m/s. a) What is the particle’s acceleration in m/s²?  b) What is the particle’s velocity, in m/s, 11.5 s before it was moving in the negative x direction at a speed of 5.6 m/s?  c) When is the particle at rest? Express this answer as a time in seconds elapsed since it was moving in the negative x direction at a speed of 5.6 m/s?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter3: Motion In Two Dimensions
Section: Chapter Questions
Problem 2P: A hiker walks 2.00 km north and then 3.00 km east, all in 2.50 hours. Calculate the magnitude and...
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5) A particle, whose acceleration is constant, is moving in the negative x direction at a speed of 5.6 m/s, and 11.5s later the particle is moving in the positive x direction at a speed of 8.29 m/s.

a) What is the particle’s acceleration in m/s²? 

b) What is the particle’s velocity, in m/s, 11.5 s before it was moving in the negative x direction at a speed of 5.6 m/s? 

c) When is the particle at rest? Express this answer as a time in seconds elapsed since it was moving in the negative x direction at a speed of 5.6 m/s? 

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