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A loudspeaker emits energy in

A loudspeaker emits energy in all direction at the rate of 1.5 J/s. What is the intensity level at a distance of 20m?
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2. asked by Jerry
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A loudspeaker emits energy equally in all directions at the rate of 1.75J/s. What is the intensity level at a distance of 15 m?
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2. asked by Piyanshu
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Hi guys,I was just wondering if I'm heading in the right direction with this question. Thank you so much in advance for your
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2. asked by Kylie
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A 14-Ω loudspeaker, a 9.0-Ω loudspeaker, and a 3.2-Ω loudspeaker are connected in parallel across the terminals of an
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2. asked by Anonymous
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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. 80 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
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Emma sings into a microphone. The sound is transferred from the microphone to a loudspeaker that is plugged into the wall. Her
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2. 38 views
Point A is 5 m from a loudspeaker. At point B, the loudspeaker sounds half as loud as at point A. How far is point B from the
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2. asked by Reed
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A radioisotope spontaneously emits charged particles and energy.Which is not a characteristic of a radioisotope? It is
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2. 63 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. 956 views