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A block weighing 1900 lb slides on a flat surface with an initial velocity of 80 ft/s. The coefficient of friction between the block and the surface is 0.6. Determine: a.) The friction force causing the block to slow. b.) The distance the block travels before slowing to a stop. c.) The time it takes for the block to come to rest. d.) The amount of work done to stop the block. e.) The initial kinetic energy of the block. Ans. a.) 1140 lb b.) 165.6 ft c.) 4.141 s d.) 1.888x105 ft lb e.) 1.888x105 ft lb

A block weighing 1900 lb slides on a flat surface with an initial velocity of 80 ft/s. The coefficient of friction between the block and the surface is 0.6. Determine: a.) The friction force causing the block to slow. b.) The distance the block travels before slowing to a stop. c.) The time it takes for the block to come to rest. d.) The amount of work done to stop the block. e.) The initial kinetic energy of the block. Ans. a.) 1140 lb b.) 165.6 ft c.) 4.141 s d.) 1.888x105 ft lb e.) 1.888x105 ft lb

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A block weighing 1900 lb slides on a flat surface with an initial velocity of 80 ft/s. The coefficient of friction between the block and the surface is 0.6. Determine: a.) The friction force causing the block to slow. b.) The distance the block travels before slowing to a stop. c.) The time it takes for the block to come to rest. d.) The amount of work done to stop the block. e.) The initial kinetic energy of the block. Ans. a.) 1140 lb b.) 165.6 ft c.) 4.141 s d.) 1.888x105 ft lb e.) 1.888x105 ft lb
Transcribed Image Text:A block weighing 1900 lb slides on a flat surface with an initial velocity of 80 ft/s. The coefficient of friction between the block and the surface is 0.6. Determine: a.) The friction force causing the block to slow. b.) The distance the block travels before slowing to a stop. c.) The time it takes for the block to come to rest. d.) The amount of work done to stop the block. e.) The initial kinetic energy of the block. Ans. a.) 1140 lb b.) 165.6 ft c.) 4.141 s d.) 1.888x105 ft lb e.) 1.888x105 ft lb
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