2. There is a tank, 1 meter in diameter and 3 meters high, filled with water. Water is now drained out through the small hole at the bottom of the tank. The diameter of the small hole is 4 cm. The relationship between the average flow velocity u, of water flowing through the small holes and the height of the water surface in the tank is u, = 0.62/2gz. (a) Assume that the density of water is 1000 kg/m³. How long will it take to release 1 3

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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2. There is a tank, 1 meter in diameter and 3 meters high, filled with water. Water
is now drained out through the small hole at the bottom of the tank. The
diameter of the small hole is 4 cm. The relationship between the average flow
velocity u, of water flowing through the small holes and the height of the water
surface in the tank is u, = 0.62√√2gz.
(a) Assume that the density of water is 1000 kg/m³. How long will it take to
release 1 m³ of water?
(b) If the water in the tank is changed to kerosene, the density of kerosene is
assumed to be 800 kg/m³. If other conditions remain the same, how long will
it take to release 2 m³ of kerosene?
Transcribed Image Text:2. There is a tank, 1 meter in diameter and 3 meters high, filled with water. Water is now drained out through the small hole at the bottom of the tank. The diameter of the small hole is 4 cm. The relationship between the average flow velocity u, of water flowing through the small holes and the height of the water surface in the tank is u, = 0.62√√2gz. (a) Assume that the density of water is 1000 kg/m³. How long will it take to release 1 m³ of water? (b) If the water in the tank is changed to kerosene, the density of kerosene is assumed to be 800 kg/m³. If other conditions remain the same, how long will it take to release 2 m³ of kerosene?
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