A bucket that weighs 5 lb and a rope of negligible weight are used to draw water from a well that is 70 ft deep. The bucket starts with 50 lb of water and is pulled up at a rate of 10 ft/s, but water leaks out of a hole in the bucket at a rate of 0.5 lb/s. Find the work done in pulling the bucket to the top of the wellI. Select the correct answer. 1) 3,728.5 ft-lb O 2) 3,837.5 ft-lb O 3) 3,677.5 ft-lb O 4) 3,727.5 ft-lb 5) 3,745.5 ft-lb

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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A bucket that weighs 5 lb and a rope of negligible weight are used to draw water
from a well that is 70 ft deep. The bucket starts with 50 lb of water and is pulled up
at a rate of 10 ft/s, but water leaks out of a hole in the bucket at a rate of 0.5 lb/s.
Find the work done in pulling the bucket to the top of the wellI.
Select the correct answer.
1) 3,728.5 ft-lb
O 2) 3,837.5 ft-lb
O 3) 3,677.5 ft-lb
O 4) 3,727.5 ft-lb
5) 3,745.5 ft-lb
Transcribed Image Text:A bucket that weighs 5 lb and a rope of negligible weight are used to draw water from a well that is 70 ft deep. The bucket starts with 50 lb of water and is pulled up at a rate of 10 ft/s, but water leaks out of a hole in the bucket at a rate of 0.5 lb/s. Find the work done in pulling the bucket to the top of the wellI. Select the correct answer. 1) 3,728.5 ft-lb O 2) 3,837.5 ft-lb O 3) 3,677.5 ft-lb O 4) 3,727.5 ft-lb 5) 3,745.5 ft-lb
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