The faintest sound that can be heard has a pressure ampulitude of about 2 xx 10^(-5) N//m^(2) and the loudest that can be heard without pain has a pressure ampulited of about 28 N//m^(2). Dentermine in each (a) the intensity of the sound both in w//m^(2) and in dB and (b) the ampulited of the oscillations if the frequency is 500 H_(Z). Assume an air density of 1.29 kg//m^(3) and a velocity of sound is 345 m//s.
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I don't know the answer.
sorry:(
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