Question

A heavy rope, 80 ft long, weighs 0.8 lb/ft and hangs over the edge of a building 180 ft high. (a) How much work W is done in pulling the rope to the top of the building? W = ft-lb (b) How much work W is done in pulling 20 ft of the rope to the top of the building? W = _ ft-lb

Name: a heavy rope 80 ft long weighs 08 lbft and hangs over the edge of a building 180 ft high a how much work w is done in pulling the rope to the top of the building w ft lb b how much work 31532
Uploaded: 2023-09-14T06:05:43-08:00
Duration: 1 min 18 s
Channel: Supreeta N
Description: a heavy rope 80 ft long weighs 08 lbft and hangs over the edge of a building 180 ft high a how much work w is done in pulling the rope to the top of the building w ft lb b how much work 31532

          A heavy rope, 80 ft long, weighs 0.8 lb/ft
and hangs over the edge of a building 180 ft high.
(a) How much work W is done in pulling the
rope to the top of the building?
W = ____ ft-lb
(b) How much work W is done in
pulling 20 ft of the rope to the top of the
building?
W  =  _____ ft-lb

Added by Gabriel P.

Calculus: Early Transcendentals

James Stewart 8th Edition

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Solved by Expert Supreeta N

09/14/2023

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A heavy rope, 80 ft long, weighs 0.8 lb/ft and hangs over the edge of a building 180 ft high. (a) How much work W is done in pulling the rope to the top of the building? W = ____ ft-lb (b) How much work W is done in pulling 20 ft of the rope to the top of the building? W = _____ ft-lb