Chromium is produced by melting process at $2273$ K $.$ The molten metal is flowing through a horizontal pipe with diameter of $10$ cm $,$ and with a pressure drop of $900\frac{N}{m}.$ Density of Cr at $2273$ K is $7100k\frac{g}{m^3}.$ Mass: $52g\frac{r}{m}ol$ and interatomic distance is $0\mathrm{.}272nm.\frac{c}{k}=11169($K$).$ Determine a$)$ the volumetric flow rate $(\frac{m^3}{s}),$

b$)$ the mass flow rate $(k\frac{g}{s}).$

c$)$ Is the flow laminar?