Math Problem Statement
A heavy rope, 80 ft long, weighs 0.3 lb/ft and hangs over the edge of a building 180 ft high.
How much work W is done in pulling 30 ft of the rope to the top of the building?
Solution
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Math Problem Analysis
Mathematical Concepts
Calculus
Work and Energy
Definite Integral
Formulas
Work = ∫ Force * Distance dx
Force = Weight per unit length * dx
Theorems
Fundamental Theorem of Calculus
Suitable Grade Level
College level - Calculus
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