A 3.5 m L syringe has an inner diameter of 5.5 m m , a needle inner diameter of

Question

A 3.5mL syringe has an inner diameter of 5.5mm, a needle inner diameter of 0.26mm , and a plunger pad diameter (where you place your finger) of 1.2 cm. A nurse uses the syringe to inject medicine into a patient whose blood pressure is 140/100. Assume the liquid is an ideal fluid.  

It asks for the max force the nurse needs to apply to the syringe, which I was able to come up with.  (it's .32 N).  Now it asks for :  The nurse empties the syringe in 4.9 s

What is the flow speed of the medicine through the needle?   I cannot get this part!  Please help!

Explanation / Answer

A 3.5 m L syringe has an inner diameter of 5.5 m m , a needle inner diameter of

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