A hypodermic syringe contains a medicinė with tne everywhere is 1.00 atm. A force F of magnitude 1.72 N is exerted on the plunger, making medicine squirt from the needle. Determine the medicine's flow speed through the needle. Assume the pressure in the needle remains equal to 1.00 atm and that the syringe is horizontal. m/s F P

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Author:Raymond A. Serway, John W. Jewett
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Chapter14: Fluid Mechanics
Section: Chapter Questions
Problem 14.55P
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A hypodermic syringe contains a medicine with the density of water (figure below). The barrel of the syringe has a cross-sectional area of 2.82 x 10-5 m2. In the absence of a force on the plunger, the pressure
everywhere is 1.00 atm. A force F of magnitude 1.72 N is exerted on the plunger, making medicine squirt from the needle. Determine the medicine's flow speed through the needle. Assume the pressure in the
needle remains equal to 1.00 atm and that the syringe is horizontal.
m/s
V2
P
A2
Transcribed Image Text:A hypodermic syringe contains a medicine with the density of water (figure below). The barrel of the syringe has a cross-sectional area of 2.82 x 10-5 m2. In the absence of a force on the plunger, the pressure everywhere is 1.00 atm. A force F of magnitude 1.72 N is exerted on the plunger, making medicine squirt from the needle. Determine the medicine's flow speed through the needle. Assume the pressure in the needle remains equal to 1.00 atm and that the syringe is horizontal. m/s V2 P A2
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