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3 Nov 2021
Problem 11b
Page 473
Section 6.6: Applications to Physics and Engineering
Chapter 6: Application of Integration
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3 Nov 2021
Given information
The length of the rope is , weight of the rope is and the height of the building is .
Step-by-step explanation
Step 1.
The weight of an infinitesimally short element of the rope with length and at a distance of from the top of the building is given by the formula .
Work required to pull this infinitesimally small element to the top of the building is given by the formula .