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Sound Intensity Solutions Library

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16 solutions

Sound Intensity

Q. The human ear can detect a minimum intensity of I0 = 10-12 W/m2, which has a sound intensity of 0 dB.Randomized Variablesβ = 25 dBIf the student he...

Solved • Jul 16, 2020

Sound Intensity

Q. A concert loudspeaker suspended high off the ground emits 31.0 W of sound power. A small microphone with a 0.800 cm2 area is 53.0 m from the speake...

Solved • Jun 2, 2020

Sound Intensity

Q. A surface receiving sound is moved from its original position to a position three times farther away from the source of the sound. The intensity of...

Solved • May 6, 2020

Sound Intensity

Q. To understand the decibel scale.The decibel scale is a logarithmic scale for measuring the sound intensity level. Because the decibel scale is loga...

Solved • May 1, 2020

Sound Intensity

Q. A popular car stereo has four speakers, each rated at 60 W. In answering the following questions, assume that the speakers produce sound at their m...

Solved • Apr 23, 2020

Sound Intensity

Q. By what amount does the intensity level increase when you triple the intensity of a source of sound? (Hint: subtract the old from the new!) a) 9.5...

Solved • Jun 6, 2017

Sound Intensity

Q. The intensity level for busy traffic is β1 = 81 dB. Two people having a loud conversation have an intensity level of β2 = 70 dB. What is the combin...

Solved • May 18, 2017

Sound Intensity

Q. By how many decibels does the intensity level of a sound increase when you triple the intensity of a source of sound? A) 9.5 dB B) 4.8 dB C) 6.0...

Solved • May 9, 2017

Sound Intensity

Q. A sound system emits 100 W of power from a speaker. At 10 m away the intensity is I. How far from the source must you be for the intensity to be cu...

Solved • May 8, 2017

Sound Intensity

Q. The sound intensity is 0.0080 W/m2 at a distance of 10 m from an isotropic (same intensity in all directions) point source of sound.(a) What is the...

Solved • Apr 11, 2017

Sound Intensity

Q. The intensity of the waves from a point source at a distance  d from the source is I. At what distance from the sources is the intensity equal to 2...

Solved • Apr 11, 2017

Sound Intensity

Q. Sound is emitted from a 100 W source at a 50 Hz. From a distance of 10 m, what is the maximum pressure produced by the compression of air from the ...

Solved • Mar 28, 2017

Sound Intensity

Q. A human can only hear sound above I 0 = 10 -12 W/m2, called the threashold of hearing. If a 100 W speaker emits sound at 500 Hz, what is the furthe...

Solved • Mar 28, 2017

Sound Intensity

Q. A speaker is emitting energy in the form of sound, at a rate of 200 J every second. If you were 15 m from the speaker, and your ear was pointing di...

Solved • Mar 24, 2017

Sound Intensity

Q. Standing 15 m from a speaker, the speaker has a volume of 40 dB. What's the furthest distance from the speaker you would still be able to hear it f...

Solved • Mar 24, 2017

Sound Intensity

Q. Standing 1 m from a speaker, you hear a sound of 50 dB. What would the volume of the sound be if you were to walk 9 m away from the speaker?A) 30 d...

Solved • Mar 24, 2017