physics
posted by Dave .
A horizontal pipe carries oil whose coefficient of viscosity is 0.00010 ns/ m^{2}}. The diameter of the pipe is 5.5 cm, and its length is 60 m.
What pressure difference is required between the ends of this pipe if the oil is to flow with an average speed of 1.2 m/s?
What is the volume flow rate in this case?
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