A particle moves along the x axis. Its position is given by the equation x = 2.1 + 2.7t - 3.5t²with x in meters and t in seconds.(a) Determine its position when it changes direction.2.56The initial position is 2.1 m, the initial velocity is 2.7 m/s and the acceleration is −2 × 3.5 m/s². Use the constant acceleration equation(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 answX-3First find the time at which the particle returns to the point 2.1, then find the velocity at that time. m/s

Given that, position x = 2.1 + 2.7t - 3.5t2 where t = time in sec x = meter

Answered: A particle moves along the x axis. Its…

A particle moves along the x axis. Its position is given by the equation x = 2.1 + 2.7t 3.5t with x in meters and t in seconds. (a) Determine its position when it changes direction. 2.56

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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Distance and Speed

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Question

A particle moves along the x axis. Its position is given by the equation x = 2.1 + 2.7t - 3.5t²with x in meters and t in seconds.
(a) Determine its position when it changes direction.
2.56
The initial position is 2.1 m, the initial velocity is 2.7 m/s and the acceleration is −2 × 3.5 m/s². Use the constant acceleration equation
(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 answ
X
-3
First find the time at which the particle returns to the point 2.1, then find the velocity at that time. m/s

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