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
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?
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thank you very much
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