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(a) Show that the flow velocity measured by a venturi

Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli ISBN: 9780130606204 3

Solution for problem 47P Chapter 10

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli

Physics: Principles with Applications | 6th Edition

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Problem 47P

Problem 47P

(a) Show that the flow velocity measured by a venturi meter (see Fig. 10–30) is given by the relation

(b) A venturi tube is measuring the flow of water; it has a main diameter of 3.0 cm tapering down to a throat diameter of 1.0 cm. If the pressure difference is measured to be 18 mm-Hg, what is the velocity of the water?

FIGURE 10–30 Venturi meter.

Step-by-Step Solution:
Step 1 of 3

ANSWER:Weight of the elevator is 2500 N.By definition of weight, it is the normal reaction an object gets.So, N = mg = mass × 9.8 = 2500 mass = 2500/9.8 = 245 kg .But here we should not get the value for mass. It’s useless.We know the weight, which is the normal reaction and it’s the force itself. And wealso know that force times speed is the power. So, let’s put the values in the formula. P = force × velocity P = 2500 × 8 = 20000 watts.CONCLUSION:So, the motor must supply a power of 20000 watts.

Step 2 of 3

Chapter 10, Problem 47P is Solved
Step 3 of 3

Textbook: Physics: Principles with Applications
Edition: 6
Author: Douglas C. Giancoli
ISBN: 9780130606204

The full step-by-step solution to problem: 47P from chapter: 10 was answered by , our top Physics solution expert on 03/03/17, 03:53PM. The answer to “(a) Show that the flow velocity measured by a venturi meter (see Fig. 10–30) is given by the relation (b) A venturi tube is measuring the flow of water; it has a main diameter of 3.0 cm tapering down to a throat diameter of 1.0 cm. If the pressure difference is measured to be 18 mm-Hg, what is the velocity of the water?FIGURE 10–30 Venturi meter.” is broken down into a number of easy to follow steps, and 66 words. This full solution covers the following key subjects: Venturi, velocity, diameter, Water, measured. This expansive textbook survival guide covers 35 chapters, and 3914 solutions. Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204. This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6. Since the solution to 47P from 10 chapter was answered, more than 347 students have viewed the full step-by-step answer.

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(a) Show that the flow velocity measured by a venturi