A hypodermic syringe contains a medicine with the density of water (figure below). The barrel of the syringe has a cross-sectional area of 2.10 x 10-5 m2. In the absence of a force on the plunger, the pressure everywhere is 1.00 atm. A force Fof magnitude 2.24 N is exerted on the plunger, making medicine squirt from the needle. Determine the medicine's flowspeed through the needle. Assume the pressure in the needle remains equal to 1.00 atm and that the syringe is horizontal.m/sA1P2P1A2Need Help?A syringe is aligned horizontally, with the plunger on the left side, the needle on theright side, and the barrel between them in the middle. The cross-sectional area ofRead Itthe barrel is labeled A,, and the cross-sectional area of the needle is labeled A,. Anarrow labeled vector F is outside and to the left of the syringe, and points to theright toward the plunger. An arrow labeled vector v, is outside and to the right ofthe syringe, and points to the right away from the needle. The fluid in the barrel ofthe syringe is labeled P,, and the fluid in the needle is labeled P2.

Given: The area of the barrel is 2.1x10-5 m2. The applied force is 2.24 N. The pipe is horizontal.

A hypodermic syringe contains a medicine with the density of water (figure below). The barrel of the syringe has a cross- sectional area of 2.10 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 2.24 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 A1 P2 A2

A hypodermic syringe contains a medicine with the density of water (figure below). The barrel of the syringe has a cross- sectional area of 2.10 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 2.24 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 A1 P2 A2

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

the plunger and the needle of a hypodermic syringe have areas of 0.5 cm^2 and 0.0006 cm^2, respectively. To inject a vaccine, a nurse pushes the plunger with a force of 5.5 N. What pressure is transmitted into the vaccine?
a stiff, 15-cm-long tube with an inner diameter of 3.5 mm is attached to a small hole in the side of a tall beaker. the tube sticks out horizontally. the beaker is filled with 20⁰c water to a level 50 cm above the hole, and it is continually topped off to it maintain that level. What is volume flow rate through the tube? The viscosity of water is 1.0×10^-3 Pa×s.
PROBLEM 3: A Venturi meter is a device used to measure the flow rate of a fluid. Water flows through a pipe of diameter 9.0 cm that has a constriction of diameter 5.2 cm. The two parts of the pipe are connected with a U-tube manometer which is partially filled with mercury. The difference in the mercury level in the U-tube is 2.5 cm. PHg = 13.6 x 10' kg/m Pw = 1x 10' kg/m' Find the flow speed of the water in the pipe of 9.0 cm diameter. h Hg
U-shaped tube, open to air on both ends, contains oil. Water is poured into the left arm until the water column is 10 cm deep. What is the height of the oil column (in cm) when the system is in equilibrium? The density of oil is 801 kg/m3
a diving sphere has a mass of 2.05x10^5 kg and an external diameter of 12.0 meters. the sphere initially floats on the surface of the ocean. the density of the sea water is 1025 kg/m^3. a large anchor is then attached to the sphere and it sinks to the ocean floor at a depth of 1.49 km. what is the buoyant force felt by the submerged sphere? what is the tension in the anchor cable?
Pure water flows through a horizontal artery. At the wide end its speed is 40cm/s and the difference in pressure between the two ends is 1.0x102 Pa. What is the speed of the water at the narrow end in cm/s? Take the density of the blood to be that of pure water.
Solve
Bowling balls are roughly the same size but come in a variety of weights. Given that the official radius a bowling ball should have is roughly 0.111 m, calculate the weight of the heaviest bowling ball that will float in a fluid of density 1.100 × 10° kg/m³. weight: N
A liquid is flowing through a horizontal pipe whose radius is 0.0301 m. The pipe bends straight upward through a height of 8.80 m and joins another horizontal pipe whose radius is 0.0726 m. What volume flow rate will keep the pressures in the two horizontal pipes the same? Number Units 202
Can you do a free-body diagram of this problem? Water at a gauge pressure of 3.8 atm at street level flows into an office building at a speed of 0.68 m/s through a pipe 5.0 cm in diameter. The pipe tapers down to 2.8 cm in diameter by the top floor, 18 m above, where the faucet has been left open. Calculate the flow velocity and the gauge pressure in the pipe on the top floor. Assume no branch pipes and ignore viscosity.
A typical pressure in a vein is 18 mm Hg. How high would you need to hang an IV bag so that the fluid enters the blood stream at this pressure? Assume the IV fluid has a density of 1000 kg/m3. A nozzle with an area of 0.3 cm2 is attached to a garden hose with an area of 1.5 cm2. The flow rate through the nozzle is 0.12 L/s.What is the speed of the water in the hose in cm/s? (1 L= 1000 cm3) What is the speed of the water in the nozzle in cm/s? (1 L= 1000 cm3)
A collapsible plastic bag (figure below) contains a glucose solution. If the average gauge pressure in the vein is 1.21 103 Pa, what must be the minimum height h of the bag in order to infuse glucose into the vein? Assume the specific gravity of the solution is 1.03.h = m A bag filled with fluid is labeled "Glucose solution". A tube runs from the bottom of the bag to the inside of a person's arm. The vertical distance between the top of the glucose solution in the bag and the point where the tube connects to the arm is h.