Question: An inverted pyramid-shaped tank with square cross section shown in the figure below is10 fttall with81ft 2 cross sectional area at the very top. The
An inverted pyramid-shaped tank with square cross section shown in the figure below is10 fttall with81ft2cross sectional area at the very top.
The tank is full up to the7 ftmark with liquid of weight density50lb
ft3
.
How much work (in ft-lb) is required to pump all of the liquid3ftabove the top of the container? (Round your answer to the nearest integer.)

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