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.
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
Chapter1: Introduction And Vectors
Section: Chapter Questions
Problem 47P
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