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One end of a horizontal pipe is closed w...

One end of a horizontal pipe is closed with the help of a valve and the reading of a barometer attached in the pipe is `3xx10^(5)` pascal When the value in the pipe is opened then the reading of barometer falls to `10^(5)` pascal the velocity of water flowing through the pipe will be in m/s-

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The correct Answer is:
`20ms^(-1)`
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