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The lecture Flow Rate: Example by Jared Rovny is from the course Fluids.
Water flows through a pipe of crosssectional area of 20 cm² with a speed of 6 m/s. Further ahead the pipe splits into four pipes each of crosssectional area of 10 cm². What is the speed of flow through the four pipes?
Water flows through a pipe of crosssectional area of 20 cm² with a speed of 6 m/s and flow rate of Q₁. Further ahead the pipe splits into four pipes each of crosssectional area of 10 cm². Let Q₂ be the flow rate through the 4 pipes. What are the values of Q₁ and Q₂?
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Very good lecture that covers one of the core principles of the vascular system through math, and gives a headsup for what might come to the exam. I would, though, like to see more than one example solved.