A 2.8-N force is applied to the plunger of a
Chapter 13, Problem 13.78(choose chapter or problem)
A 2.8-N force is applied to the plunger of a hypodermicneedle. If the diameter of the plunger is 1.3 cm and thatof the needle 0.20 mm, (a) with what force does the fluid leavethe needle? (b) What force on the plunger would be needed topush fluid into a vein where the gauge pressure is 75 mm-Hg?Answer for the instant just before the fluid starts to move.
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