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It is not necessary that a heat engine’s hot environment

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

Solution for problem 22P Chapter 15

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 22P

(II) It is not necessary that a heat engine's hot environment be hotter than ambient temperature. Liquid nitrogen  is about as cheap as bottled water. What would be the efficiency of an engine that made use of heat transferred from air at room temperature  to the liquid nitrogen "fuel" (Fig.  ?

Step-by-Step Solution:

SolutionStep 1 of 6 a. What is the wavelength of a 2.0 MHz ultrasound wave traveling through aluminumGiven data The frequency of the ultrasound wave, f =2 MHzUsing 1 MHz=10 Hz6 f =2× 10 Hz ultrasound waves speed in aluminum is v =6420 m/sTo find,The wavelength of the ultrasound wave is, =

Step 2 of 6

Chapter 15, Problem 22P is Solved
Step 3 of 6

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

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It is not necessary that a heat engine’s hot environment