Please check #24 if it is correct, please show solution. 19. An aluminum ball of mass 54.0g and density of 2.70g/mL is placed in a beaker filled with water. What is the volumeof the ball?Answer: 2020. How high in m should an intravenous bag be for a liquid to just enter the vein? Assume that the density of the fluidis equal to that of water and the blood pressure is 20.mmHg?Answer: 0.27221. An aluminum ball of mass 54.0g and density of 2.70g/mL is placed in a beaker filled withbuoyant force of water on the ball?What is theAnswer: 0.19622. The plunger and the needle of a hypothermic syringe have areas of 0.50cm2 and 0.00060cm2 respectively. To injecta vaccine, a nurse pushes the plunger with a force of 5.5N. What pressure in Pa is transmitted to the vaccine?Answer: 11000023. An aluminum ball of mass 54.0g and density of 2.70g/mL is placed in a beaker filled with water. What is the volumeof water that will spill out of the beaker?Answer: 2024. The area of contact betweenan injection needle and the skin is a very tiny circle with a diameter of 2.54x10¯³cm.If the needle exerts a force of 6.9x10-2N, what is the pressure in Pa?Answer: 136173241.7

Answered: Image /qna-images/answer/e7bca56b-2262-4a1e-9e17-f4e203c613ad.jpg

24. The area of contact between an injection needle and the skin is a very tiny circle with a diameter of 2.54x10-³cm. If the needle exerts a force of 6.9x10~2N, what is the pressure in Pa? Answer: 136173241.7

24. The area of contact between an injection needle and the skin is a very tiny circle with a diameter of 2.54x10-³cm. If the needle exerts a force of 6.9x10~2N, what is the pressure in Pa? Answer: 136173241.7

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)...

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Concept explainers

Variation of pressure

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

Question

Please check #24 if it is correct, please show solution.

19. An aluminum ball of mass 54.0g and density of 2.70g/mL is placed in a beaker filled with water. What is the volume
of the ball?
Answer: 20
20. How high in m should an intravenous bag be for a liquid to just enter the vein? Assume that the density of the fluid
is equal to that of water and the blood pressure is 20.mmHg?
Answer: 0.272
21. An aluminum ball of mass 54.0g and density of 2.70g/mL is placed in a beaker filled with
buoyant force of water on the ball?
What is the
Answer: 0.196
22. The plunger and the needle of a hypothermic syringe have areas of 0.50cm2 and 0.00060cm2 respectively. To inject
a vaccine, a nurse pushes the plunger with a force of 5.5N. What pressure in Pa is transmitted to the vaccine?
Answer: 110000
23. An aluminum ball of mass 54.0g and density of 2.70g/mL is placed in a beaker filled with water. What is the volume
of water that will spill out of the beaker?
Answer: 20
24. The area of contact between
an injection needle and the skin is a very tiny circle with a diameter of 2.54x10¯³cm.
If the needle exerts a force of 6.9x10-2N, what is the pressure in Pa?
Answer: 136173241.7

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