(Answered) The pressure in a section of horizontal pipe with a

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The pressure in a section of horizontal pipe with a diameter of 2.0 cm is 147 kPa. Water flows through the pipe at 2.80 L/s. Assume laminar nonviscous flow. If the pressure at a certain point is to be reduced to 104 kPa by constricting a section of the pipe,

what should the diameter of the constricted section be?

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