A 5.0mL syringe has an inner diameter of 4.5mm , a needle inner diameter of 0.29mm , 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.
Part A What is the minimum force the nurse needs to apply to the syringe?
Part B The nurse empties the syringe in 4.9s . What is the flow speed of the medicine through the needle?