A cylindrical tank of radius 5 ft and height 9 ft is two-thirds filled with a liquid of weight density P Ibs./ft?. The work (in ft-lbs.) required to pump all the water over the upper rim is given by the integral 25ap / (9-y)dy 25 (9-y)y? 81 25ap (9-y)y? dy 81

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Question
A cylindrical tank of radius 5 ft and height 9 ft is two-thirds filled with a liquid of weight density P Ibs./ft. The
work (in ft-Ibs.) required to pump all the water over the upper rim is given by the integral
(A
25лр
(9-у) dy
25
(9-y)y? dy
81
(© 25xp
(6-y)dy
25
81
Transcribed Image Text:A cylindrical tank of radius 5 ft and height 9 ft is two-thirds filled with a liquid of weight density P Ibs./ft. The work (in ft-Ibs.) required to pump all the water over the upper rim is given by the integral (A 25лр (9-у) dy 25 (9-y)y? dy 81 (© 25xp (6-y)dy 25 81
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