The standard water pressure supplied by water suppliers in the Philippines, such
as NAWASA, Maynilad, or Manila Water, is around 60 psi (pounds per square inch)
or around 4.14 x 105 Pa. Water enters the house through a pipe with an internal
diameter of 2.0 cm. From here, a 1.0 cm-diameter pipe leads the water to the
bathroom in the second floor that is 5.0 cm from the ground. If the flow speed at
the inlet pipe (the 2.0 cm diameter pipe) is 1.5 m/s, find the (a) flow speed, and (b)
pressure.
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