A sound speaker is rated at a voltage of P = 120.0 V and a current of Icurrent = 8.00 A Electrical power consumption is P = IV, where the units are: [W] = [A] [V] . To test the speaker, a signal of a sine wave is applied to the speaker. Assuming that the sound wave moves as a spherical wave and that all of the energy applied to the speaker is converted to sound energy, how far from the speaker is the intensity equal to I = 3.73 W/m² 2 Express VOur answer in m. Hint: remember the intensity of a wave is I: P

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Chapter1: Units, Trigonometry. And Vectors
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A sound speaker is rated at a voltage of P = 120.0 V and a current of Iurrenmt = 8.00 A Electrical power consumption is P = IV , where the units are:
[W] = [A] [V] . To test the speaker, a signal of a sine wave is applied to the speaker. Assuming that the sound wave moves as a spherical wave and that all of the energy
applied to the speaker is converted to sound energy, how far from the speaker is the intensity equal to I = 3.73 W/m
? Express your answer in m. Hint: remember, the intensity of a wave is I =
Transcribed Image Text:A sound speaker is rated at a voltage of P = 120.0 V and a current of Iurrenmt = 8.00 A Electrical power consumption is P = IV , where the units are: [W] = [A] [V] . To test the speaker, a signal of a sine wave is applied to the speaker. Assuming that the sound wave moves as a spherical wave and that all of the energy applied to the speaker is converted to sound energy, how far from the speaker is the intensity equal to I = 3.73 W/m ? Express your answer in m. Hint: remember, the intensity of a wave is I =
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