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A horizontal force of magnitude 45.3 N pushes a block of mass 4.26 kg across a floor where the coefficient of kinetic friction is 0.633. (a) How much work is done by that applied force on the block-floor system when the block slides through a displacement of 2.63 m across the floor? (b) During that displacement, the thermal energy of the block increases by 31.4 J. What is the increase in thermal energy of the floor? (c) What is the increase in the kinetic energy of the block?

A horizontal force of magnitude 45.3 N pushes a block of mass 4.26 kg across a floor where the coefficient of kinetic friction is 0.633. (a) How much work is done by that applied force on the block-floor system when the block slides through a displacement of 2.63 m across the floor? (b) During that displacement, the thermal energy of the block increases by 31.4 J. What is the increase in thermal energy of the floor? (c) What is the increase in the kinetic energy of the block?

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 horizontal force of magnitude 45.3 N pushes a block of mass 4.26 kg across a floor where the coefficient of kinetic friction is 0.633. (a) How much work is done by that applied force on the block-floor system when the block slides through a displacement of 2.63 m across the floor? (b) During that displacement, the thermal energy of the block increases by 31.4 J. What is the increase in thermal energy of the floor? (c) What is the increase in the kinetic energy of the block? (a) Number i Units (b) Number i Units (c) Number i Units > >
Transcribed Image Text:A horizontal force of magnitude 45.3 N pushes a block of mass 4.26 kg across a floor where the coefficient of kinetic friction is 0.633. (a) How much work is done by that applied force on the block-floor system when the block slides through a displacement of 2.63 m across the floor? (b) During that displacement, the thermal energy of the block increases by 31.4 J. What is the increase in thermal energy of the floor? (c) What is the increase in the kinetic energy of the block? (a) Number i Units (b) Number i Units (c) Number i Units > >
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