A crate with a mass of 47.5 kg is pushed with a horizontal force of 150 N. The crate moves at a constant speed across a level, rough floor a distance of 6.20 m. (a) What is the work done (in J) by the 150 N force? (b) What is the coefficient of kinetic friction between the crate and the floor?

A crate with a mass of 47.5 kg is pushed with a horizontal force of 150 N. The crate moves at a constant speed across a level, rough floor a distance of 6.20 m. (a) What is the work done (in J) by the 150 N force? (b) What is the coefficient of kinetic friction between the crate and the floor?

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

Chapter6: Energy Of A System

Section: Chapter Questions

Problem 3P: A block of mass m = 2.50 kg is pushed a distance d = 2.20 m along a frictionless, horizontal table...

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Question

A crate with a mass of 47.5 kg is pushed with a horizontal force of 150 N. The crate moves at a constant speed across a level, rough floor a distance of 6.20 m.
(a) What is the work done (in J) by the 150 N force?
(b) What is the coefficient of kinetic friction between the crate and the floor?

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