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Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli
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How much energy would the person of Example 15–8 transform

Chapter 22, Problem 14P

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QUESTION:

(I) How much energy would the person of Example  transform if instead of working  she took a noontime break and ran for  ?

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QUESTION:

(I) How much energy would the person of Example  transform if instead of working  she took a noontime break and ran for  ?

ANSWER:

SolutionStep 1 of 5The standard equation of displacement for the wave travelling in positive x-directionis y(x,t)= A cos(kx-t)..............1Where A is the amplitude , x and y are displacements along x and y - directions, k iswavenumber and is angular frequency.And the given equation is y(x,t)= 3.5 cm cos(2.7 x-92t)........2Comparing equation 1 and 2 amplitude,A= 3.5 cm wavenumber k = 2.7 rad/m and angular frequency =92 rad/s

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