Problem #$2$: $(10)$

Find the mass flow rate of the liquid in $l\frac{b}{m}in$ flowing through a pipe of $5\mathrm{.}50$ cm diameter which has density of $960\mathrm{.}0k\frac{g}{m^3}$ and viscosity $0\mathrm{.}90$ cP $.$ The Reynolds number is reported to be $4386$ for the flow.