A mass m = 11 kg rests on a frictionless table and accelerated by a spring with spring constant k = 4119 N/m. The floor is frictionless except for a rough patch. For this rough path, the coefficient of friction is Hk = 0.53. The mass leaves the spring at a speed v = 3.9 m/s. 1) How much work is done by the spring as it accelerates the mass? J Submit 2) How far was the spring stretched from its unstreched length? Submit 3) The mass is measured to leave the rough spot with a final speed vf = 2.1 m/s. How much work is done by friction as the mass crosses the rough spot? J Submit

A mass m = 11 kg rests on a frictionless table and accelerated by a spring with spring constant k = 4119 N/m. The floor is frictionless except for a rough patch. For this rough path, the coefficient of friction is Hk = 0.53. The mass leaves the spring at a speed v = 3.9 m/s. 1) How much work is done by the spring as it accelerates the mass? J Submit 2) How far was the spring stretched from its unstreched length? Submit 3) The mass is measured to leave the rough spot with a final speed vf = 2.1 m/s. How much work is done by friction as the mass crosses the rough spot? J Submit

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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