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A drug is being injected into blood at a constant infusion rate of Q=0.4mL/s from a syringe of diameter D=4mm into a needle of diameter

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A drug is being injected into blood at a constant infusion rate of Q=0.4mL/s from a syringe of diameter D=4mm into a needle of diameter d=0.2mm. The fluid viscosity is =0.001Pas and the density is =1000kg/m3. Determine the force F on the syringe plunger. Assume that the flow through the syringe and needle is laminar and that the blood pressure is P=100 mmHg (13.33kPa)

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