$2.(15$ points$)$ At one point in a pipeline, the water's speed is $3\mathrm{.}00$ m$/$s and the gauge pressure is $4\mathrm{.}00\backslash$times $10*$ N$/$m$\text{'}.$ Find the gauge pressure at a second point in the line $11\mathrm{.}0$ m lower than the first if the pipe diameter at the second point is twice that at the first.Pw $=1000$ kg$/$m$\text{'}$; g$=9\mathrm{.}8$ m$/$s $.$