Question
A pump is installed in the basement of a 10-storey building in order to supply the occupants with water. Each storey is 3m high.
How much pressure must the pump exert on the water so that the water reaches the 10th floor with a pressure of 400 kPa?
How much pressure must the pump exert on the water so that the water reaches the 10th floor with a pressure of 400 kPa?
Answers
400*10^3 Pa + (rho)(g)*(30 m)
"rho" is the density of ewater, 1000 kg/m^3
g = 9.8 m/s^2
Required Pump Pressure = (400 + 294) kPa
"rho" is the density of ewater, 1000 kg/m^3
g = 9.8 m/s^2
Required Pump Pressure = (400 + 294) kPa
thank you very much
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