SORU $64$

$6\mathrm{.}110$ In Fig. P$6\mathrm{.}110$ the pipe entrance is

sharp$-$edged. If the flow rate is $0\mathrm{.}004\frac{m^3}{s},$

what power, in $W,$ is extracted by the

turbine?

Fig. P$6\mathrm{.}110$