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A loud speaker emits energy

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. asked by Anisha
3. 755 views
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. asked by amy
3. 2,457 views
A radioisotope spontaneously emits charged particles and energy.Which is not a characteristic of a radioisotope? It is
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2. 87 views
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. asked by Mary
3. 977 views
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. asked by Ariana
3. 2,078 views
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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2. asked by nizar
3. 622 views
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. asked by David
3. 706 views
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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2. 138 views
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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2. 105 views
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. asked by Tyler
3. 3,255 views