Does anyone know how to solve this problem?
A trough 3 meters long has a semicircular cross-section of radius 3 meters. If the trough is full of oil (density 800 kg/m^3), find the work done in pumping the oil out over the top.
Does anyone know how to solve this problem?
A trough 3 meters long has a semicircular cross-section of radius 3 meters. If the trough is full of oil (density 800 kg/m^3), find the work done in pumping the oil out over the top.