Physics 163

Unit 5: Work, Energy and Power

Problem Set C

 

Problem 6:

Pete Zaria applies a rightward force of 5.43 Newtons over a distance of .92 meters to set a 843 gram root beer mug from rest into motion along a level countertop which is 0.62-meters above the parlor floor. Determine the speed of the mug after Pete is done pushing it. (Assume negligible friction forces.) Enter your answer accurate to the third decimal place. 

 

 

 

 

 

0.5 • m • vi2 + m • g • h i + F • d • cos = 0.5 • m • vf2 + m • g • h f

 

  

 

General information about work and energy problems is described on the Set C Overview page.

A detailed discussion of how to analyze physical situations using work-energy bar charts is provided online at The Physics Classroom.

A detailed description of the work-energy relationships for situation in which external forces are doing work is provided online at The Physics Classroom.

 

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