Please check #23 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

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Description: Please check #23 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

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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 ater that will spill out of the beaker? ver: 20 The area of contact between an injection needle and the skin is a very tiny circle with a diameter of 2.54x10-³cm. e needle exerts a force of 6.9x10¯2N, what is the pressure in Pa? ver: 136173241.7

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 ater that will spill out of the beaker? ver: 20 The area of contact between an injection needle and the skin is a very tiny circle with a diameter of 2.54x10-³cm. e needle exerts a force of 6.9x10¯2N, what is the pressure in Pa? ver: 136173241.7

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter14: Fluid Mechanics

Section: Chapter Questions

Problem 88P: (a) Using Bernoulli's equation, show that be measured fluid speed v for a pitot tube, like the one...

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(a) Estimate the time it would take to fill a private swimming pool with a capacity of 80,000 L using a garden hose delivering 60 L/min. (b) How long would it take to fill if you could divert a moderate size river, flowing at 5000 m3/s, into it?
(a) Using Bernoulli's equation, show that be measured fluid speed v for a pitot tube, like the one in figure 14.32(b), is given by v=( 2gh)1/h , where h is be height of be manometer fluid, p' is the density of the manometer fluid, p is the density of the moving fluid, and g is be acceleration due to gravity. (Note that v is indeed proportional to the square root of h, as stated in text) (b) Calculate v for moving air if a mercury manometer's h is 0.200 m. Figure 14.32 Measurement of fluid speed on Bernoulli’s principle. (a) A manometer is connected to two tubes close together and small enough not to disturb the flow. Tube 1 is open at the end facing the flow. A dead spot having zero speed is created there. Tube 2 has an opening on the side, so the fluid has a speed v across; thus, pressure there drops. The difference in pressure at the manometer is 12v22 , so h is proportional to . 12v22 (b) This type of velocity measuring device is a Prandtl tube, also known as a pitot tube.
What fraction of an iceberg floating in the ocean is above sea level? Assume the density of the iceberg is 917 kg/m3.
(a) What is the mass of a deep breath of air having a volume of 2.00 L? (b) Discuss the effect taking such a breath has on your body's volume and density.
A small artery has a length of 1.1103 m and a radius of 2.5105 m. If the pressure drop across the artery is 1.3 kPa, what is the flow rate through the artery? (Assume that the temperature is 37° C.)
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How many cubic meters of helium are required to lift a light balloon with a 400-kg payload to a height of 8 000 m? Take Hc = 0.179 kg/m3. Assume the balloon maintains a constant volume and the density of air decreases with the altitude z according to the expression pair = 0e-z/8 000, where z is in meters and 0 = 1.20 kg/m3 is the density of air at sea level.