A particle moves along the z-axis according to r(t) = 4t - 7t² m. a. What is the instantaneous velocity at t = 3 s? m/s b. What is the instantaneous speed at t = 3 s? m/s c. What is the average velocity between t=2s and t = 3 s? m/s

A particle moves along the z-axis according to r(t) = 4t - 7t² m. a. What is the instantaneous velocity at t = 3 s? m/s b. What is the instantaneous speed at t = 3 s? m/s c. What is the average velocity between t=2s and t = 3 s? m/s

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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