2. A 450kg piano slides 3.5 m down a 25° incline and is kept from accelerating by a man who ispushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.42. Calculate: (a)the force exerted by the man, (b) the work done by the man on the piano, (c) the work done by thefriction force, (d) the work done by the force gravity and (e) the net work done on the piano.

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Description: 2. A 450kg piano slides 3.5 m down a 25° incline and is kept from accelerating by a man who ispushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.42. Calculate: (a)the force exerted by the man, (b) the work

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2. A 450kg piano slides 3.5 m down a 25° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.42. Calculate: (a) che force exerted by the man, (b) the work done by the man on the piano, (c) the work done by the iriction force, (d) the work done by the force gravity and (e) the net work done on the piano.

2. A 450kg piano slides 3.5 m down a 25° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.42. Calculate: (a) che force exerted by the man, (b) the work done by the man on the piano, (c) the work done by the iriction force, (d) the work done by the force gravity and (e) the net work done on the piano.

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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