2. A hypodermic syringe contains a medicine with density of 1,000 kg/m?. The barrel of the syringe has a cross-sectional area A= 2.40 x 10-5 m', and the needle has a cross-sectional area a = 1.00 x 10-8 m². In the absence of a force on the plunger, the pressure everywhere is 1.00 atm. A force F of magnitude 2.00 N acts on the plunger, making medicine squirt horizontally from the needle. (a) What is the applied pressure in the syringe when the force acts on the plunger? (b) Determine the speed of the medicine inside the barrel with area A when is acting on it. (c) Calculate the speed of the medicine as it leaves the needle's tip.

2. A hypodermic syringe contains a medicine with density of 1,000 kg/m?. The barrel of the syringe has a cross-sectional area A= 2.40 x 10-5 m', and the needle has a cross-sectional area a = 1.00 x 10-8 m². In the absence of a force on the plunger, the pressure everywhere is 1.00 atm. A force F of magnitude 2.00 N acts on the plunger, making medicine squirt horizontally from the needle. (a) What is the applied pressure in the syringe when the force acts on the plunger? (b) Determine the speed of the medicine inside the barrel with area A when is acting on it. (c) Calculate the speed of the medicine as it leaves the needle's tip.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter15: Fluids

Section: Chapter Questions

Problem 54PQ: Liquid toxic waste with a density of 1752 kg/m3 is flowing through a section of pipe with a radius...

See similar textbooks

Related questions

Q: A person who weighs 670 N is riding a 98 N mountain bike. Suppose the entire weight of the rider and…

A: Given: The weight of the rider is 670 N. The weight of the bike is 98 N. The gauge pressure is…

Q: 10. In an industrial cooling process, water is circulated through a system. If water is pumped with…

A: V1= 6m/s P1= 5.5× 105 pa r1= 1.8cm h= 4.5m r2= 2.4cm

Q: A syringe which has an inner diameter of 0.600 mm is attached to a needle with an inner diameter of…

Q: . A liquid is flowing through a horizontal pipe whose radius is 1.86 ×x10¯² m. The pipe bends…

A: To determine,the speed(v1) of the liquid in the lower horizontal pipe.given,radiur(r1) of lower…

Q: 7. A liquid is flowing through a horizontal pipe whose radius is 2.04 × 10-² m. The pipe bends…

Q: A large man sits on a four-legged chair with his feet off the floor. The combined mass of the man…

A: To find the pressure

Q: 36. A pipe with an inner diameter of 2.00 cm is being used to deliver water at an absolute pressure…

A: We have a first pipe of diameter d1=2 cm=2×10-2m (radius r1=d1/2=10-2 m) which has a pressure…

Q: A tank that is 5.00 m deep is filled with an unknown fluid on an alien planet. Assume g = 12.0 m/s2.…

Q: 1. A block with length I = 1.5 m, width p = 1 m, height t = 0.5 m and mass m = 300 kg lays on a…

Q: 1. Suppose a person is 182 cm tall. A typical blood pressure is often given as 110/70 mm Hg, with a…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: 2. A jar of water with a height of 25 cm. Find the absolute pressure at the bottom of the jar, the…

Q: 4. The plunger and the needle of a syringe have areas 0.250 cm^2 and 0.0003 cm^2, respectively. To…

A: we are given area of plunger AP = 0.25 cm2 area of needle An = 0.0003 cm2 Force applied on the…

Q: by most fire departments have an inside diameter of about 6.50 cm. The hose carries a flow rate of…

A: D1==6.5cmD2=3cmh1=0mh2=18m

Q: Problem 8: As the depth in a fluid increases, the pressure increases due to the larger weight of the…

Q: 1. A U-tube contains liquid of unknown density. An oil of density 835 kg/m³ is poured into one arm…

A: The density of the oil is 835 kg/m3. The height of the oil column is 13.0 cm. The height of the…

Q: 2. A blood pressure is reported as 50 mm mercury. The density of mercury is 13.6 gram/cm³ and g =…

A: Write the given values with the suitable variables. h=50 mm=0.050 mρ=13.6 g/cm3=13.6×10-310-6…

Q: An IV is connected to a patient's vein. The blood in the vein has a gauge pressure of 10.3 mmHg. At…

A: Answer:- Given Blood pressure (h1) = 10.3 mm Hg Density of blood (pIV) = pblood =1060kg/m3…

Q: - In a Torricelli barometer, a pressure of one atmosphere supports a 760 mm column of mercury. If…

Q: 2. A fire hose with an inside diameter of 6.40 cm is connected to a water hydrant very close to the…

A: Pressure near the ground, P1=1.5x106 Pa the radius of hydrant near the ground, R1=3.2 cm the radius…

Q: Solve the following problems: a. A rectangular box of mass 2 kg has sides of length 0.12 m, 0.26 m…

A: a) Given Mass of rectangular block m = 2 kg Length of rectangular block L = 0.12 m Breadth of…

Q: 2. A hypodermic syringe contains a medicine with a density of 1,000 kg/m. The barrel of the syringe…

Q: 10: A person is diving in a lake in the depth of h = 9.5 m. The density of the water is ρ = 1.0…

Q: Sailors need to evacuate a troubled underwater craft 100 meters below the surface. How much force…

Q: 23. Water flows at a speed of 14 m/s through a pipe that has a radius of 0.91 m. The water then…

Q: 6. Water flows from the first floor of a two-story house through a pipe whose diameter is 2.80 cm.…

Q: A pipe 10 meters in length is attached horizontally to a water pump. The pipe has an inner diameter…

A: The volume flow rate through a pipe containing a slowly moving fluid is given by Qt=πR4∆P8ηl Here, R…

Q: A fluid with density 1200 kg/m flows through this pipe. As the first location, A, the fluid travels…

Q: 1. It has been estimated that a man's heart is about 33xm below his brain. Considering the density…

A: Given:- h= 33xm density of the blood is =1.1 X 103 kg/m3 Find:- what pressure must the heart…

Q: A partially evacuated vertical cylindrical container is covered by a circular lid that makes an…

Q: 46kg woman wearing shoes with high heels has her weight resting only on an area of 5.5 x 10³ m² )…

A: Given value--- mass = 46 kg. area of one shoe = 5.5 × 10-3 m2. We have to find--- a) How much…

Q: E. What then would be the blood pressure of this person at their feet? D. Suppose this person…

A: The variables used to solve the questions are Pressure, P = Force/ Area Cros-section area of…

Q: 9. A liquid is flowing through a horizontal pipe whose radius is 2.18 x 10-2 m. The pipe bends…

Q: A person who has a mass of 85.7 kg is riding a 10 kg mountain bike. The gauge pressure in both tires…

A: Given,The mass of the person, m = 85.7 kgThe guage pressure in both tyres, P =7.7×105 PaThe mass of…

Concept explainers

Variation of pressure

From the equation of pressure, pressure is directly proportional to the applied force.

Question

2. A hypodermic syringe contains a medicine with density of 1,000 kg/m. The barrel of the syringe has a
cross-sectional area A= 2.40 x 10-5 m², and the needle has a cross-sectional area a = 1.00 x 10-8 m². In
the absence of a force on the plunger, the pressure everywhere is 1.00 atm. A force Fof magnitude 2.00
N acts on the plunger, making medicine squirt horizontally from the needle.
(a) What is the applied pressure in the syringe when the force acts on the plunger?
(b) Determine the speed of the medicine inside the barrel with area A when is acting on it.
(c) Calculate the speed of the medicine as it leaves the needle's tip.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

Liquid toxic waste with a density of 1752 kg/m3 is flowing through a section of pipe with a radius of 0.312 m at a velocity of 1.64 m/s. a. What is the velocity of the waste after it goes through a constriction and enters a second section of pipe with a radius of 0.222 m? b. If the waste is under a pressure of 850,000 Pa in the first section of pipe, what is the pressure in the second (constricted) section of pipe?
How tall must a water-filled manometer be to measure blood pressures as high as 300 mm Hg?
Water is moving at a velocity of 2.00 m/s through a hose with an internal diameter of 1.60 cm. (a) What is the flow rate in liters per second? (b) The fluid velocity in this hose's nozzle is 15.0 m/s. What is the nozzle's inside diameter?
Pressure in the spinal fluid is measured as shown in Figure 11.43. If the pressure in the spinal fluid is 10.0 mm Hg: (a) What is the reading of the water manometer in cm water? (b) What is the reading if the person sits up, placing the top of the fluid 60 cm above the tap? The fluid density is 1.05 g/mL. Figure 11.43 A water manometer used to measure pressure in the spinal fluid. The height of the fluid in the manometer is measured relative to the spinal column, and the manometer is open to the atmosphere. The measured pressure will be considerably greater if the person sits up.
A tank with a flat bottom of area A and vertical sides is filled to a depth h with water. The pressure is P0 at the top surface. (a) What is the absolute pressure at the bottom of the tank? (b) Suppose an object of mass M and density less than the density of water is placed into the tank and floats. No water overflows. What is the resulting increase in pressure at the bottom of the tank?
In an immersion measurement of a woman's density, she is found to have a mass of 62.0 kg in air an apparent mass of 0.0850 kg completely submerged with lungs empty. (a) What of water does she displace? (b) What is her volume? (c) Calculate her density. (d) If her lung capacity is 1.7S L, is she able to that without treading water with her lungs filled air?
If the gauge pressure inside a rubber balloon with a 10.0-cm radius is 1.50 cm of water, what is the effective surface tension of the balloon?
What is the greatest average speed of blood flow at 37° C in an artery of radius 2.00 mm if the flow is to remain laminar? What is the corresponding flow rate? Take the density of blood to be 1025 kg/m3.
(a) What is the density of a woman who floats in freshwater with 4.00% of her volume above the surface? This could be measured by placing her in a tank with marks on the side to measure how much water she displaces when floating and when held under water (briefly). (b) What percent of her volume is above the surface when she floats in seawater?
A spherical weather balloon is filled with hydrogen until its radius is 3.00 m. Its total mass including the instruments it carries is 15.0 kg. (a) Find the buoyant force acting on the balloon, assuming the density of air is 1.29 kg/m3. (b) What is the net force acting on the balloon and its instruments after the balloon is released from the ground? (c) Why does the radius of the balloon tend to increase as it rises to higher altitude?
(a) Verify that a 19.0% decrease in laminar flow through a tube is caused by a 5.00% decrease in radius, assuming that all other factors remain constant, as stated in the text. (b) What increase in flow is obtained from a 5.00% increase in radius, again assuming all other factors remain constant?
What is the gauge pressure in millimeters of mercury inside a soap bubble 0.100 m in diameter?