A box has a mass of 120 kg and the coefficients of friction and coefficients of friction between this and the inclined surface are uk = 0.5. The box starts from rest and the motor shown exerts a tension of T = 1220 + 200t Newton. a) What impulse is applied to the box during the first second of movement? b) What is the speed of the box after 2 seconds? 30
A box has a mass of 120 kg and the coefficients of friction and coefficients of friction between this and the inclined surface are uk = 0.5. The box starts from rest and the motor shown exerts a tension of T = 1220 + 200t Newton. a) What impulse is applied to the box during the first second of movement? b) What is the speed of the box after 2 seconds? 30
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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Question
![A box has a mass of 120 kg and the coefficients of friction and coefficients of friction
between this and the inclined surface are uk = 0.5. The box starts from rest and the motor shown
exerts a tension of T = 1220 + 200t Newton.
a) What impulse is applied to the box during the first second of movement?
b) What is the speed of the box after 2 seconds?
30](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6bda647a-b886-4da9-9a27-d168f09e71be%2F3a76a2c4-6b77-4322-a46e-e0938d7e2912%2Fltuat8j_processed.png&w=3840&q=75)
Transcribed Image Text:A box has a mass of 120 kg and the coefficients of friction and coefficients of friction
between this and the inclined surface are uk = 0.5. The box starts from rest and the motor shown
exerts a tension of T = 1220 + 200t Newton.
a) What impulse is applied to the box during the first second of movement?
b) What is the speed of the box after 2 seconds?
30
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