Here in Boulder, normal atmospheric pressure is NOT 1 atm (that\'s down at sea l

Question

Here in Boulder, normal atmospheric pressure is NOT 1 atm (that's down at sea level) Let's call it 0.850 atm on a given day. If the rarefactions of a particular sound wave then reduce the pressure to 0.845 atm, what is the amplitude of the pressure wave, expressed in metric units of Pa (which is the same as N/m2)? (Enter the numerical answer, do NOT enter any units.) (For you to think about below: 0.845 atm sure doesn't look much different from .850 atm. Is this a loud sound or a soft sound? How do you decide - it's your reasons, not the answer itself, that we're most interested in!)

Explanation / Answer

P=0.85-0.845=0.005 atm=0.005*1.01325*10^5 Pa= 506.625 Pa

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