A cylindrical water tank has a 2 m height and 2 m diameter. The water is filled up in the tank. The total weight of the water is (in kg). if the density of water is 1000 kg/m3.In the tank given in question 1, a small orifice is constructed to release the water. The orifice has a diameter of 2cm. Neglecting minor entry loss, the velocity of the flow (m/s) in the orifice is ?the discharge in the orifice is ______ (in m3/s)
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21000 3.6 and we need to
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like like when we carry to sum to kg that when we carry 2kg and when that 2 kg plus hundred how will we be
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11th
Physics
Mechanical
ANSWER
The height of water in the tank becomes maximum when the volume of water flows into the tank per second becomes equal to the volume flowing out per second.
Volume of water flowing out per second =A
2gh
Volume of water flowing in per second =70cm
3
/s
∴A
2gh
=70
1
2×980×h
=70
h=
1960
4900
=2.5cm.
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