Question
A cone with height 8 ft and radius 6 ft, pointing downward, is filled with water to a depth of 2 ft. All of the
A cone with height 8 ft and radius 6 ft, pointing downward, is filled with water to a depth of 2 ft. All of the water will be pumped out over the top of the cone. The density of water is 62.4 lb/ ft 3 .
(a) Consider a slice of water that is Δh ft thick and located h ft from the bottom of the cone. Use Delta or the CalcPad for Δ. Leave π in your answer.
Volume of slice = π(3h/4) 2 Δh
Displacement of slice = ???? ft
(b) Find the endpoints of the integral needed to find the exact work required to pump all the water out over the top.
Lower endpoint = 0
Upper endpoint = ?????
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Calculus Early Transcendentals
Authors: William L. Briggs, Lyle Cochran, Bernard Gillett
2nd edition
321954428, 321954424, 978-0321947345
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