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An engine absorbs 1.70 kJ from a hot reservoir at 277C and

College Physics | 9th Edition | ISBN: 9780840062062 | Authors: Serway Vuille ISBN: 9780840062062 220

Solution for problem 37 Chapter 12

College Physics | 9th Edition

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College Physics | 9th Edition | ISBN: 9780840062062 | Authors: Serway Vuille

College Physics | 9th Edition

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Problem 37

An engine absorbs 1.70 kJ from a hot reservoir at 277C and expels 1.20 kJ to a cold reservoir at 27C in each cycle. (a) What is the engines efficiency? (b) How much work is done by the engine in each cycle? (c) What is the power output of the engine if each cycle lasts 0.300 s?

Step-by-Step Solution:
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Physics 2 for Engineering Week 13 Traveling Wave y=A cos (k x-ω t) k=2π/λ ω=2 πf Superposition of Waves y (x, t) =1 (x, t) 2y (x, t) for two waves with same A, k, and ω Constructive interference amplitude = 2A Destructive interference y=0 Standing Wave on a String L = ½ λ 2 nodes Mode 1 Fundamental Mode L=1 λ 3 nodes Mode 2 Second Harmonic / First Overtone L=3/2 λ 4 nodes Mode 3 Third Harmonic / Second Overtone L= 2 λ 5 nodes Mode 4 Fourth Harmonic / Third Overtone λ = 2L / n v=f λ f = v / λ = n v/2L Sound and Hearing: sound waves due to oscillation of molecules; longitudinal wave p = B k

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Chapter 12, Problem 37 is Solved
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Textbook: College Physics
Edition: 9
Author: Serway Vuille
ISBN: 9780840062062

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An engine absorbs 1.70 kJ from a hot reservoir at 277C and