Atank containing oil is in the shape of a downward-pointing cone with its vertical axis perpendicular to ground level. in this exercise we will assume that the height of the tank is h=10 feet the circular top of the tank has radius r=5 feet, and that the oil inside the tank weighs 57 pounds per cubic foot. how much work (w) does it take to pump oil from the tank to an outlet that is 1 foot above the top of the tank if, prior to pumping, there is only a half-tank of oil? note: "half-tank" means half the volume in the tank. for this problem a pound is to be taken as a unit of weight (not of mass), so it is not necessary to multiply by the gravitational acceleration constant in order to find the work.

a) 0.25x times 3. (could be wrong on equation.)

b) 2.25 pound of dark chocolate. (can i eat all the chocolate? plz? anyway, again, could be wrong, but i hope im right. all the chocolate together should be 5.25 pounds)

have a good day!

the answer is 31.27mph

i believe the correct answer is b.

step-by-step explanation:

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