In this question the unit vectors i and j are in the directions east and north respectively. A particle R of mass 2kg is moving on a smooth horizontal surface under the action of a single horizontal force FN. At time t seconds, the velocity vms of R, relative to a fixed origin O, is given by v = (pr -31)i+ (8t+q)j, where p and q are constants and p< 0. (a) Given that when t = 0.5 the magnitude of F is 20, find the value of p.

In this question the unit vectors i and j are in the directions east and north respectively. A particle R of mass 2kg is moving on a smooth horizontal surface under the action of a single horizontal force FN. At time t seconds, the velocity vms of R, relative to a fixed origin O, is given by v = (pr -31)i+ (8t+q)j, where p and q are constants and p< 0. (a) Given that when t = 0.5 the magnitude of F is 20, find the value of p.

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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