Lili pulls a 6.00-kg crate across a horizontal floor for a distance of 3.00 m as shown. The tension force in the rope is 86 N and the angle is 30.0° with respect to the horizontal. The frictional force on the crate is 12.0 N. Assuming the system is crate+earth+floor, match the answers with questions. AK + AUg + AUsp + AEth + AEch = Wexternal v What is the change in gravitational potential energy (AUg)? A. -36 J v What is the change in thermal energy (AEth)? В. ОЈ C. 223 J v What is the change in kinetic energy (AK)? v What is the work done by the external force (Wexternal)? D. 259 J E, none of the given F. -223 J G. 36 J Н.-187 J I. 187 J

Lili pulls a 6.00-kg crate across a horizontal floor for a distance of 3.00 m as shown. The tension force in the rope is 86 N and the angle is 30.0° with respect to the horizontal. The frictional force on the crate is 12.0 N. Assuming the system is crate+earth+floor, match the answers with questions. AK + AUg + AUsp + AEth + AEch = Wexternal v What is the change in gravitational potential energy (AUg)? A. -36 J v What is the change in thermal energy (AEth)? В. ОЈ C. 223 J v What is the change in kinetic energy (AK)? v What is the work done by the external force (Wexternal)? D. 259 J E, none of the given F. -223 J G. 36 J Н.-187 J I. 187 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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