A trough is 9 feet long and 1 foot high. The vertical cross-section of the trough parallel to an end is shaped like the graph of y from x = 1 to x = 1. The trough is full of water. Note: In this problem, use 62 pounds per cubic foot as the weight of water. =x10 (i) Explain/describe how you are going to approach this problem. x² A Edit Insert Formats BI U E A foot-pounds <> Σ+ Σ Αμ (ii) Find the amount of work in foot-pounds required to empty the trough by pumping the water over the top.

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