Water from a tap emerges vertically downwards with an initial speed of 1.0 ms^-1. The cross-sectional area of the tap is 10^-4 m^2. Assume that the…

Water from a tap emerges vertically downwards with an initial speed of $\displaystyle 1.0 \mathrm{~ms}^{-1}$. The cross-sectional area of the tap is $\displaystyle 10^{-4} \mathrm{~m}^2$. Assume that the pressure is constant throughout the stream of water and that the flow is streamlined. The cross-sectional area of the stream, $\displaystyle 0.15$ m below the tap would be : (Take $\displaystyle \mathrm{g}=10 \mathrm{~ms}^{-2}$ )