Sunday
April 20, 2014

Homework Help: Physic

Posted by Jimmy on Saturday, November 7, 2009 at 10:48pm.

A fan at a rock concert is 30 m from the edge of the stage. The sound intensity level at the edge of the stage is 110 dB. The fan's eardrums have a diameter of 8.4mm.
How much energy is transferred to each eardrum in one second? (Hint: It may help to asume that the speaker is on the stage located 1.0 m from the edge.)answer in J.

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