Physics, 20.12.2019 00:31 apodoltsev2021
Male rana catesbeiana bullfrogs are known for their loud mating call. the call is emitted not by the frog's mouth but by its eardrums, which lie on the surface of the head. and, surprisingly, the sound has nothing to do with the frog's inflated throat. if the emitted sound has a frequency of 262 hz and a sound level of 84 db (near the eardrum), what is the amplitude of the eardrum's oscillation? the air density is 1.21 kg/m3 and the speed of sound is 346 m/s.
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Physics, 22.06.2019 11:30
(1 point) match the differential equations and their vector valued function solutions. you may wish to multiply at least one solution out fully, to make sure that you know how to do it. you can get the other answers quickly by process of elimination and just multiply out one row element.
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Physics, 22.06.2019 11:30
Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?
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Male rana catesbeiana bullfrogs are known for their loud mating call. the call is emitted not by the...
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