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A hole of area 1mm^2 opens near the bott...

A hole of area `1mm^2` opens near the bottom of a large water storage tank and a stream of water shoots from it. If the top of water in the tank is to be kept at 20m above the point of leak, how much water in litres/sec should be added to the reservoir tank to keep this level? `(g=10m//s^2)`

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