A loud speaker emits energy

  1. A loud speaker emits energy in all directions at a rate of 2.75 J/s . What is the intensity level at a distance of 25 m?
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    2. Anisha asked by Anisha
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  2. An audio speaker at a concert emits sound uniformly in all directions at a rateof 100 W. (i) Calculate the sound intensity
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    2. amy asked by amy
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  3. A radioisotope spontaneously emits charged particles and energy.Which is not a characteristic of a radioisotope? It is
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  4. Which colored light bulb, red, orange, yellow, green, or blue, emits photons with the least energy? Explain.(b) Which emits
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    2. Mary asked by Mary
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  5. A person is initially 8 m from a point sound source which emits energy uniformly in all direction at a constant rate. If the
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    2. Ariana asked by Ariana
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  6. A loud speaker at a rock concert generates 102 W/m2 at 20m with a frequency of 1kHz. Assume that the speaker spreads its
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  7. Wavelength in a Closed ColumnHere is the prompt: We place a speaker near the top of a drinking glass. The speaker emits sound
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    2. David asked by David
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  8. The Sun emits its maximum energy in the visible portion of the spectrum, while Earth emits most of its radiation as long wave
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  9. A concert loudspeaker suspended high above the ground emits 35 W of sound power. A smallmicrophone with a 1.0 cm2 area is 50 m
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  10. A concert loudspeaker suspended high off the ground emits 35 W of sound power. A smallmicrophone with a 1.0 cm2 area is 50 m
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    2. Tyler asked by Tyler
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