What is the total SPL that results from combining one source that produces 80 dB SPL...
What is the total SPL that results from combining one source that produces 80 dB SPL with a second source that produces 120 dB SPL? Please enter a number representing the answer in dB SPL.
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What is the total SPL that results from combining one source
that produces 80 dB SPL...
What is the total dB SPL that results from combining one source with a measured presser...
What is the total dB SPL that results from combining one source with a measured presser of 4000 µPa/CM2 with a second source with a measured pressure of 8000 µPa/CM2? Assume all measures were taken under standard conditions. Please enter a number representing the answer in dB SPL.
A 200 Hz source radiates sound that produces a SPL of 85 dB at a distance...
A 200 Hz source radiates sound that produces a SPL of 85 dB at a distance of 1 meter. Is this SPL in the near-field? 6. Yes a. b. No None of the above c.
The sound level at a distance 3.00 m away from a source is 120 dB. At...
The sound level at a distance 3.00 m away from a source is 120 dB. At what distance will the sound level decrease to 100 dB?
1)The sound level at a distance of 1.82 m from a source is 146 dB. At...
1)The sound level at a distance of 1.82 m from a source is 146 dB. At what distance will the sound level be 50.7 dB? Answer in units of m. 2)At what distance will the sound level be 7.22 dB? Answer in units of m.
-When a firm produces one more unit of output the total revenue increases from $803 to...
-When a firm produces one more unit of output the total revenue increases from $803 to $1,037, and the total cost increases from $519 to $708. When this last unit of output was produced, what was the change in profit? Enter a whole number with no dollar sign. Enter a negative sign if appropriate. -With her resources Sally can produce 36 units of good X or 142 units of good Y. What is her opportunity cost of producing 9 units...
2) A loud horn is making 80 dB of sound. a. What is the intensity of...
2) A loud horn is making 80 dB of sound. a. What is the intensity of the sound? b. If a human eardrum has an area of 5.0x105m, how much energy gets transmitted to one ear after 5 seconds of hearing the horn? c. If a second horn with the same intensity is added, what will be the new sound level?
20 μPa) in each one-third octave band from 100 Hzto 1250 pink noise signal is generated...
20 μPa) in each one-third octave band from 100 Hzto 1250 pink noise signal is generated that has the same sound pressure level of 50 dB (re at s the total unweighted SPL or this noise extending across all of these one-third octave bands, using the exact method of calculation? b. What is the SPL of each single octave band from 125 Hz to 1 kHz? (Remember that each octave band spans three one-third octave bands.) Use the exact method...
The intensity of a light source at a distance is directly proportional to the strength of the source and inversely proportional to the square of the distance from the source. Two light sources, one f...
The intensity of a light source at a distance is directly
proportional to the strength of the source and inversely
proportional to the square of the distance from the source. Two
light sources, one five times as strong as the other, are 9 m
apart. At what point on the line segment joining the sources is the
intensity the weakest? Write an equation representing the
intensity, I, at a distance, x, from the weaker lightbulb, and with
k as the...
The intensity of a sound from one source is 8000 times that of another. How much...
The intensity of a sound from one source is 8000 times that of another. How much more is the decibel level of the louder sound than that of the quieter one? Answer: Db
The sound level 25 m from a loudspeaker is 66 dB. What is the rate at...
The sound level 25 m from a loudspeaker is 66 dB. What is the rate at which sound energy is produced by the loudspeaker, assuming it to be an isotropic source? Your answer must be in W
A 200 Hz source radiates sound that produces a SPL of 85 dB at a distance of 1 meter. Is this SPL in the near-field? 6. Yes a. b. No None of the above c.
2) A loud horn is making 80 dB of sound. a. What is the intensity of the sound? b. If a human eardrum has an area of 5.0x105m, how much energy gets transmitted to one ear after 5 seconds of hearing the horn? c. If a second horn with the same intensity is added, what will be the new sound level?
20 μPa) in each one-third octave band from 100 Hzto 1250 pink noise signal is generated that has the same sound pressure level of 50 dB (re at s the total unweighted SPL or this noise extending across all of these one-third octave bands, using the exact method of calculation? b. What is the SPL of each single octave band from 125 Hz to 1 kHz? (Remember that each octave band spans three one-third octave bands.) Use the exact method...
The intensity of a light source at a distance is directly
proportional to the strength of the source and inversely
proportional to the square of the distance from the source. Two
light sources, one five times as strong as the other, are 9 m
apart. At what point on the line segment joining the sources is the
intensity the weakest? Write an equation representing the
intensity, I, at a distance, x, from the weaker lightbulb, and with
k as the...
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