The gauge pressure of 3xx10^(5)N//m^(2) ...

The gauge pressure of `3xx10^(5)N//m^(2)` must be maintained in the main water pipes of a city how much work must be done to pump 50,000 `m^(3)` of water at a pressure of `1.0xx10^(5)N//m^(2)`

`10^(11)J`

`10^(10)J`

`10^(9)J`

`10^(8)J`

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