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A particle moves along the x axis. Its position is given by the equation x = 2.1 + 2.8r-3.6t2with x in meters and t in seconds. (a) Determine its position when it changes direction. m (b) Determine its velocity when it returns to the position it had at t=0? (Indicate the direction of the velocity with the sign of your answer.) m/s

A particle moves along the x axis. Its position is given by the equation x = 2.1 + 2.8r-3.6t2with x in meters and t in seconds. (a) Determine its position when it changes direction. m (b) Determine its velocity when it returns to the position it had at t=0? (Indicate the direction of the velocity with the sign of your answer.) m/s

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A particle moves along the x axis. Its position is given by the equation x = 2.1 + 2.8t - 3.6t² with x in meters and t in seconds. (a) Determine its position when it changes direction. m (b) Determine its velocity when it returns to the position it had at t = 0? (Indicate the direction of the velocity with the sign of your answer.) m/s Need Help? Read It Watch It
Transcribed Image Text:A particle moves along the x axis. Its position is given by the equation x = 2.1 + 2.8t - 3.6t² with x in meters and t in seconds. (a) Determine its position when it changes direction. m (b) Determine its velocity when it returns to the position it had at t = 0? (Indicate the direction of the velocity with the sign of your answer.) m/s Need Help? Read It Watch It
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