4. A water tank is shaped like an inverted cone with height 20 meters and base radius 5 meters. The tank is HALF full with an initial water level of 10 meters. There is a faucet located 3 meters above the tank. How much work is required to pump the water from the tank to the faucet above the tank? The density of water is 1000 kg/m³3 and the g is 9.8 N/kg. SET UP THE INTEGRAL, BUT DO NOT SOLVE IT. Smo 3m 20m

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