The cylindrical water tank shown in the figure has a height of 18 feet. When the tank
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The cylindrical water tank shown in the figure has a height of 18 feet. When the tank is full, a circular valve is opened at the bottom of the tank. After 30 minutes, the depth of the water is 12 feet.
(a) Using Torricelli’s Law, how long will it take for the tank to drain completely?
(b) What is the depth of the water in the tank after 1 hour?
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