A particle is undergoing a uniform rectilinear motion and the displacement as a function of time is given by r(t) = 6t4- 2t3 -12t2+3t+3 where r is in meters and t is in seconds. What is a uniform motion? Find the average velocity of the particle between t = 0 and t = 2s When is the acceleration zero?

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
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 11P: A particle moves along the x axis according to the equation x = 2.00 + 3.00t 1.00t2, where x is in...
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A particle is undergoing a uniform rectilinear motion and the displacement as a function of time is given by r(t) = 6t4- 2t3 -12t2+3t+3 where r is in meters and t is in seconds.

  1. What is a uniform motion?
  2. Find the average velocity of the particle between t = 0 and t = 2s
  3. When is the acceleration zero?
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