Loudspeakers can produce intense sounds with surprisingly small energy input in spite of their low efficiencies. Calculate
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Loudspeakers can produce intense sounds with surprisingly small energy input in spite of their low efficiencies. Calculate the power input needed to produce a 90.0-dB sound intensity level for a 12.0-cm-diameter speaker that has an efficiency of 1.00%. (This value is the sound intensity level right at the speaker.)
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Given we have the following parameters Sound intensity level I 900 dB Speaker diameter d 120 cm 0120 ...View the full answer
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