9. Work & Energy
Intro to Energy & Kinetic Energy
5:07 minutes
Problem 9d
Textbook Question
Textbook QuestionHow much work does tension do to pull the mass from the bottom of the hill (θ = 0) to the top at constant speed? To answer this question, write an expression for the work done when the mass moves through a very small distance ds while it has angle θ, replace ds with an equivalent expression involving R and dθ , then integrate.
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