3.2 Perhaps you have felt the end of a garden hose exert a backward force on your hand if (and only if) you have attached a nozzle. Let's estimate this force. Assume that the x-axis is aligned with the end of the hose, and points in the direction of the water flow. (a) Assume that the hose delivers water at the rate of 1l = 1000 cm3 per second to the nozzle, and that the hose has a cross section of 1 cm?. Estimate the speed of the water in the hose. (b) Use your result from part (a) to estimate the impulse [Apr]enter transferred every second to the nozzle by the water entering the nozzle (one liter of water has a mass of one kg). (c) The nozzle forces the water to leave the nozzle through an opening that has a cross section smaller than that of the hose. Let's assume that the nozzle's cross section is 0.5 cm². Estimate the speed at which the water leaves the nozzle. (d) Estimate the impulse [Apx]leave transferred every second to the nozzle by the water leaving the nozzle. (e) Calculate the net force exerted on the nozzle by the water entering and leaving it.
3.2 Perhaps you have felt the end of a garden hose exert a backward force on your hand if (and only if) you have attached a nozzle. Let's estimate this force. Assume that the x-axis is aligned with the end of the hose, and points in the direction of the water flow. (a) Assume that the hose delivers water at the rate of 1l = 1000 cm3 per second to the nozzle, and that the hose has a cross section of 1 cm?. Estimate the speed of the water in the hose. (b) Use your result from part (a) to estimate the impulse [Apr]enter transferred every second to the nozzle by the water entering the nozzle (one liter of water has a mass of one kg). (c) The nozzle forces the water to leave the nozzle through an opening that has a cross section smaller than that of the hose. Let's assume that the nozzle's cross section is 0.5 cm². Estimate the speed at which the water leaves the nozzle. (d) Estimate the impulse [Apx]leave transferred every second to the nozzle by the water leaving the nozzle. (e) Calculate the net force exerted on the nozzle by the water entering and leaving it.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Parts to be answered d and e.
![3.2 Perhaps you have felt the end of a garden hose exert a backward force on your hand if (and only if)
you have attached a nozzle. Let's estimate this force. Assume that the x-axis is aligned with the end
of the hose, and points in the direction of the water flow.
(a) Assume that the hose delivers water at the rate of 11 = 1000 cm
that the hose has a cross section of 1 cm2. Estimate the speed of the water in the hose.
(b) Use your result from part (a) to estimate the impulse [Apæ]enter transferred every second to the
nozzle by the water entering the nozzle (one liter of water has a mass of one kg).
(c) The nozzle forces the water to leave the nozzle through an opening that has a cross section smaller
than that of the hose. Let's assume that the nozzle's cross section is 0.5 cm 2. Estimate the speed at
3
per second to the nozzle, and
which the water leaves the nozzle.
(d) Estimate the impulse [Apä]leave transferred every second to the nozzle by the water leaving the
nozzle.
(e) Calculate the net force exerted on the nozzle by the water entering and leaving it.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdc99cc4f-9438-44d8-9b43-49724a6b39cf%2F40d0794a-b776-470e-aeea-ee0eff169917%2F9szfdjv_processed.png&w=3840&q=75)
Transcribed Image Text:3.2 Perhaps you have felt the end of a garden hose exert a backward force on your hand if (and only if)
you have attached a nozzle. Let's estimate this force. Assume that the x-axis is aligned with the end
of the hose, and points in the direction of the water flow.
(a) Assume that the hose delivers water at the rate of 11 = 1000 cm
that the hose has a cross section of 1 cm2. Estimate the speed of the water in the hose.
(b) Use your result from part (a) to estimate the impulse [Apæ]enter transferred every second to the
nozzle by the water entering the nozzle (one liter of water has a mass of one kg).
(c) The nozzle forces the water to leave the nozzle through an opening that has a cross section smaller
than that of the hose. Let's assume that the nozzle's cross section is 0.5 cm 2. Estimate the speed at
3
per second to the nozzle, and
which the water leaves the nozzle.
(d) Estimate the impulse [Apä]leave transferred every second to the nozzle by the water leaving the
nozzle.
(e) Calculate the net force exerted on the nozzle by the water entering and leaving it.
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