Physics 163

Unit 5: Work, Energy and Power

Problem Set B

 

Problem 6:

Pete Zaria applies a rightward force of 1.2 Newtons over a distance of .541 meters to set a 631 gram root beer mug from rest into motion along a level countertop. Determine the kinetic energy (in Joules) of the root beer mug after Pete is done pushing it. Enter your answer, accurate to the third decimal place; avoid rounding until the end. 

 

 

 

Use the equation below to solve this problem. Cancel terms, substitute and solve.

 KEi + PEi + Wnc = KEf + PEf

 

Work and energy principles and mathematical relationships can be reviewed on the Set B Overview page.

Further information about the equation for work is available online at The Physics Classroom.    

Further information about the work and energy relationship is available online at The Physics Classroom.    

 

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