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Q. A 5.00 mL syringe has an inner diameter of 6.00 mm, a needle inner diameter of 0.210 mm, 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. The nurse empties the syringe in 2.40 s. What is the flow speed of the medicine through the needle?

Q. A person was talking in a small room; and the sound intensity level is 60 dB everywhere within the room. Now, there are eight people talking in similar manner simultaneously in the room, what is the sound intensity level?

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