What is the pressure amplitude of a sound wave with an
(a) What is the pressure amplitude of a sound wave with an intensity level of 121.5 dB in air?
_______N/m2
(b) What force does this exert on an eardrum of area 5.40 10-5 m2?
___________ mN
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angelo trucking is divided into two operating divisions perishable foods and household goods the company allocates
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