A horizontal pipe of diameter 0.996 m has a smooth constriction to a section of diameter

0.5976 m . The density of oil flowing in the

pipe is 821 kg/m3

.

If the pressure in the pipe is 7570 N/m2

and in the constricted section is 5677.5 N/m2

,

what is the rate at which oil is flowing?

Answer in units of m3

/s.