Water is flowing continuously from a tap...

Water is flowing continuously from a tap having an internal diameter `8xx10^-3m`. The water velocity as it leaves the tap is `0.4ms^-1`. The diameter of the water stream at a distance `2xx10^-1m` below the tap is close to:

`9.6xx10^(-3)m`

`3.6xx10^(-3)m`

`5.0xx10^(-3)`m

`7.5xx10^(-3)m`

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