Asked by Anonymous
Still need help with this one:
Find the work done in pumping the water over the rim of a tank that is 40 feet long and has a semicircular end of radius 10 feet if the tank is filled to a depth of 4 feet.
I've set up an integral that is:
62.4 ∫ [-10,-4] 80 sqrt(100-y^2)(-y)dy
62.4 because that's the density of water, but this isn't working. Please help
Find the work done in pumping the water over the rim of a tank that is 40 feet long and has a semicircular end of radius 10 feet if the tank is filled to a depth of 4 feet.
I've set up an integral that is:
62.4 ∫ [-10,-4] 80 sqrt(100-y^2)(-y)dy
62.4 because that's the density of water, but this isn't working. Please help
Answers
Answered by
Steve
a depth of 4 feet means you need ∫ [-10,-6]
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