A gas station stores its gasoline in a tank under the ground. The tank is a cylinder lying horizontally on its side. (In other w
ords, the tank is not standing vertically on one of its flat ends.) If the radius of the cylinder is 1.5 meters, its length is 6 meters, and its top is 1 meter under the ground, find the total amount of work needed to pump the gasoline out of the tank. (The density of gasoline is 673 kilograms per cubic meter; use g=9.8 m/s2.)
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