4. The 55kg crate shown in the figure rests on a horizontal surface for which the coefficient of kinetic friction is u=p.55 – 0.09t where t is the time in seconds. If the crate is subjected to a constant 500-N towing force as shown, determine the velocity in m/s and the acceleration in m/s? of the crate in 3s starting from rest. 500 Newtons 25°

4. The 55kg crate shown in the figure rests on a horizontal surface for which the coefficient of kinetic friction is u=p.55 – 0.09t where t is the time in seconds. If the crate is subjected to a constant 500-N towing force as shown, determine the velocity in m/s and the acceleration in m/s? of the crate in 3s starting from rest. 500 Newtons 25°

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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