Arectangular tank that is 3 meters long, 4 meters wide and 6 meters deep is filled with a rubbing alcohol that has density 786 kilograms per cubic meter. assume that the tank is initially full, and that gravity is 9.8 meters per second squared. how much work is done pumping the
a. out over the top of the tank?
b. out of a spout 2meters above the top of the tank?
c. 2/3 of the liquid out over the top of the tank?
d. 2/3 of the liquid out of a spout two meters above the top of the tank?

include steps.
you.