Question

A hypodermic needle is 2.96 cm in length and 0.38 mm in diameter. What pressure difference...

A hypodermic needle is 2.96 cm in length and 0.38 mm in diameter. What pressure difference between the input and output of the needle is required so that the flow rate of water through it will be 1 g/s? (Use 1.0 ✕ 10−3 Pa · s as the viscosity of water.)

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A hypodermic needle is 3.14 cm in length and 0.35 mm in diameter. What pressure difference...
A hypodermic needle is 3.14 cm in length and 0.35 mm in diameter. What pressure difference between the input and output of the needle is required so that the flow rate of water through it will be 1 g/s? (Use 1.0 10-3 Pa · s as the viscosity of water.) __ Pa
The tube shown has a length of 2.00 m and a diameter of 1.00 mm. Water...
The tube shown has a length of 2.00 m and a diameter of 1.00 mm. Water at 40° C is flowing through the tube. For water at 40° C: A) What pressure difference is required to give the water a flow speed of 4.0 m/s? (Give your answer in units of Pa.) B) What force applied to the end of the tube will produce this pressure? (Give your answer in units of N.) C) What is the volume flow rate...
An intravenous (IV) system is supplying saline solution to a patient at the rate of 0.07...
An intravenous (IV) system is supplying saline solution to a patient at the rate of 0.07 cm3/s through a needle of radius 0.2 mm and length 4.64 cm. What gauge pressure (in Pa) is needed at the entrance of the needle to cause this flow? Assume that the viscosity of the saline solution to be the same as that of water, η = 1.0*10-3 Pa-s, and that the gauge pressure of the blood in the vein is 1500 Pa. Enter...
A 3 cm long needle is used to inject a 0.3 L of a solution located...
A 3 cm long needle is used to inject a 0.3 L of a solution located 70 cm above a patient over a time of 25 minutes. Assume that the viscosity of this solution is 1.1 mPa⋅s and its density is 970kg/m3. a) If the vein`s pressure is assumed to be at atmospheric pressure, what will be the difference in the input and output pressures across the needle in mmHg? b) What is the flow rate of the solution in...
Intravenous injections are commonly performed with a hypodermic needle and syringe. Assume that the dimensions of...
Intravenous injections are commonly performed with a hypodermic needle and syringe. Assume that the dimensions of the needle are length = L = 1 cm, radius of the needle = 3.3x10‐4 m, radius of the syringe = 5x10‐3 m and that the drug solution has the properties of water. a) Assume that 1 mL of a drug solution must be injected over a 3 sec period. Will the flow through the needle be laminar or turbulent? b) Derive a general...
Saline solution is delivered into the vein of a patient through a needle. The saline solution...
Saline solution is delivered into the vein of a patient through a needle. The saline solution has a viscosity of 0.00037 Pa.s, a density of 1,060 kg/m3, and is delivered through a 7.0-cm long needle with an internal diameter of 0.24 mm directly into the patient’s vein in which the blood pressure is 130 mmHg (1 mmHg=133.4 Pa). The saline solution must be delivered at a flow rate of 0.04×10-6 m3/s. How high must the saline solution be suspended in...
A drug delivery catheter consists of a cylindrical needle whose wall contains very small pores allowing...
A drug delivery catheter consists of a cylindrical needle whose wall contains very small pores allowing the drug solution to leave the needle into the surrounding tissue. The hydraulic conductance of the needle wall is 10−5 cm2 s g−1. The needle has a length of 2 cm and the diameter of the needle is 200 μm. The sharp end of the needle is closed off so that any flow of drug solution into the needle must flow out through the...
A needle of inner diameter 0.50mm is used to draw blood from a patient’s arm for...
A needle of inner diameter 0.50mm is used to draw blood from a patient’s arm for a medical test. The average blood pressure in the patient’s arm is 85mmHg, and the viscosity of the blood is 3.5×10−4Pa⋅s. The length of the needle is 6.0cm, and the blood needs to be drawn at a constant flow rate of 0.10cm3/s. What pressure must be applied to the plunger?
A fluid with SG:0,888 and viscosity:0,8 Pa s flows in horizontal pipe of diameter:5 cm and...
A fluid with SG:0,888 and viscosity:0,8 Pa s flows in horizontal pipe of diameter:5 cm and length:40 m.The measured velocity profile is of parabolic shape.The amount of pressure difference between inlet and exist of the pipe is 648,76 kPa.Determine Reynolds number of flow if the pipe is inclined at an angle 30 degree with horizontal and flow is upward with the same pressure difference is applied                        
5 mL syringe has an inner diameter of 10 mm, a needle inner diameter of 0.25...
5 mL syringe has an inner diameter of 10 mm, a needle inner diameter of 0.25 mm, and a plunger pad diameter of 1.5 cm. A doctor uses the syringe to inject medicine into a patient whose blood pressure is 140/100 (assuming ideal fluid). a) What’s the minimum force that the doctor needs to apply to the syringe? b) The syringe is emptied in 3s, what was flow speed?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT