A long horizontal tube has a square cross section with sides of width L A fluid moves through the tube with speed v 0 The tube then changes to a circular cross section with diameter L What is the fluids speed in the circular part of the tube

Question: A long horizontal tube has a square cross section with sides of width L. A fluid moves through the tube with speed v 0 .

A long horizontal tube has a square cross section with sides of width L. A fluid moves through the tube with speed v₀. The tube then changes to a circular cross section with diameter L. What is the fluid’s speed in the circular part of the tube?

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