A box is pulled along a rough horizontal surface by a horizontal force of 80 N. The frictional force between the box and the surface is 60 N. Which of the following is the possible increase of internal energy (AU) and increase of kinetic energy (AK) at the end of the process? A. AU = 200 J, AK = 600 J B. AU = 600 J, AK = 200 J C. AU = 600 J, AK = 800 J D. AU = 200 J, AK = 800 J

A box is pulled along a rough horizontal surface by a horizontal force of 80 N. The frictional force between the box and the surface is 60 N. Which of the following is the possible increase of internal energy (AU) and increase of kinetic energy (AK) at the end of the process? A. AU = 200 J, AK = 600 J B. AU = 600 J, AK = 200 J C. AU = 600 J, AK = 800 J D. AU = 200 J, AK = 800 J

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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