A $4\mathrm{.}00$ mLmL syringe has an inner diameter of $6\mathrm{.}00$ mmmm$,$ a needle inner diameter of $0\mathrm{.}280$ mmmm$,$ and a plunger pad diameter $($where you place your finger$)$ of $1\mathrm{.}2$ cmcm$.$ A nurse uses the syringe to inject medicine into a patient whose blood pressure is $140/100.$

Part A

What is the minimum force the nurse needs to apply to the syringe?

Express your answer with the appropriate units.

View Available Hint$($s$)$for Part A

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Part B

The nurse empties the syringe in $4\mathrm{.}10$ ss$.$ What is the flow speed of the medicine through the needle?

Express your answer with the appropriate units.