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The level of water in a huge tank is 20 ...

The level of water in a huge tank is 20 m. Nearly at the bottom of the tank, there is a hole of 2 cm? cross section. The rate with which the water will leak through the hole is `n xx 10^(-3) cm.` Find the value of n.

Text Solution

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As rate of flow of water `=av =2 xx 10^(-4) sqrt(2gh)`
`=2 xx 10^(-4) sqrt(2 xx 10 xx 20)`
`=2 xx 10^(-4) xx 20`
`=4 xx 10^(-3) m`
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