A typical sound level for a buzzing mosquito is 38 dB, and that of a vacuum...
A typical sound level for a buzzing mosquito is 38 dB, and that of a vacuum cleaner is approximately 66 dB. Approximately how many buzzing mosquitoes will produce a sound intensity equal to that of a vacuum cleaner?
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A typical sound level for a buzzing mosquito is 38 dB, and that
of a vacuum...
A typical sound level for a buzzing mosquito is 35dB, and that of a vacuum cleaner...
A typical sound level for a buzzing mosquito is 35dB, and that of a vacuum cleaner is approximately 72 dB. Approximately how many buzzing mosquitos will produce a sound intensity equal to that of a vacuum cleaner? mosquitoes
At a distance of 73 cm, a mosquito can barely be heard at a sound level...
At a distance of 73 cm, a mosquito can barely be heard at a sound level of 4.1 dB. What is the intensity of this sound? If the same mosquito were flying at a distance of 1.3 cm from your ear, what would be the intensity of its sound? If there were two mosquitoes 1.3 cm from your ear, how loud would they sound? (dB). How loud would the mosquito sound at 1.3 cm from your ear (dB)? Hint: sound...
A mosquito located two meters away produces a sound intensity of 85 dB. How much would...
A mosquito located two meters away produces a sound intensity of 85 dB. How much would the intensity be if there were 200 mosquitoes at the same distance? You can assume that the sound is equally distributed in all directions.
vi) The random noise level of a buzzing bee is 42 dB and that heard in...
vi) The random noise level of a buzzing bee is 42 dB and that heard in a typical beehive is 78 dB. How many bees are there in the bee hive ? (3) 41(2): 10 lo7 (2) Itoy = n I, vii) What is the charge to mass ratio (C/kg) when an ion with unknown charge and mass has moved through a potential of 10 kV and is observed to move in an 84 cm radius circular orbit perpendicular to...
A vacuum cleaner has a measured sound level of 62.3 dB.What is the intensity of this...
A vacuum cleaner has a measured sound level of 62.3 dB.What is the intensity of this sound?Answer in units of W/m^2.
Part A A single mosquito 5.0 m from a person makes a sound close to the...
Part A A single mosquito 5.0 m from a person makes a sound close to the threshold of human hearing (O dB). What will be the sound level of 170 such mosquitoes? Express your answer to two significant figures and include the appropriate units. 3 Value Units Request Answer
11. The sound level in decibels (dB) is given by dB-10log(101x), where x is the intensity of the sound given in W/c...
11. The sound level in decibels (dB) is given by dB-10log(101x), where x is the intensity of the sound given in W/cm2. a) Determine the sound level in dB for a sound having an intensity of 2 x 1012 W/cm b) What would be the sound level in dB if the sound intensity were doubled?
11. The sound level in decibels (dB) is given by dB-10log(101x), where x is the intensity of the sound given in W/cm2. a) Determine the...
1. If a sound of frequency 1000 Hz has intensity level 30 dB, what would be...
1. If a sound of frequency 1000 Hz has intensity level 30 dB,
what would be the intensity level of sound frequency 50 Hz which
appears to have equal loudness? (Answer= 60 dB)
2. Intensity of 30 dB, 1000 Hz sound= (Answer= 1.000 x 10-9
W/m^2)
*3. What is intensity (in W/m^2) of the equal loudness 50 Hz
sound? (Answer is NOT 50.12 x 10^-12)
*4. What is the ratio of the pressure variation (in amplitude)
of the equal loudness...
A rock band plays at a 56 dB sound level. How many times greater is the...
A rock band plays at a 56 dB sound level. How many times greater is the intensity from another rock band playing at 106 dB?
A rock band plays at a 67 dB sound level. How many times greater is the...
A rock band plays at a 67 dB sound level. How many times greater is the intensity from another rock band playing at 105 dB?
A mosquito located two meters away produces a sound intensity of 85 dB. How much would the intensity be if there were 200 mosquitoes at the same distance? You can assume that the sound is equally distributed in all directions.
vi) The random noise level of a buzzing bee is 42 dB and that heard in a typical beehive is 78 dB. How many bees are there in the bee hive ? (3) 41(2): 10 lo7 (2) Itoy = n I, vii) What is the charge to mass ratio (C/kg) when an ion with unknown charge and mass has moved through a potential of 10 kV and is observed to move in an 84 cm radius circular orbit perpendicular to...
Part A A single mosquito 5.0 m from a person makes a sound close to the threshold of human hearing (O dB). What will be the sound level of 170 such mosquitoes? Express your answer to two significant figures and include the appropriate units. 3 Value Units Request Answer
11. The sound level in decibels (dB) is given by dB-10log(101x), where x is the intensity of the sound given in W/cm2. a) Determine the sound level in dB for a sound having an intensity of 2 x 1012 W/cm b) What would be the sound level in dB if the sound intensity were doubled?
11. The sound level in decibels (dB) is given by dB-10log(101x), where x is the intensity of the sound given in W/cm2. a) Determine the...
1. If a sound of frequency 1000 Hz has intensity level 30 dB,
what would be the intensity level of sound frequency 50 Hz which
appears to have equal loudness? (Answer= 60 dB)
2. Intensity of 30 dB, 1000 Hz sound= (Answer= 1.000 x 10-9
W/m^2)
*3. What is intensity (in W/m^2) of the equal loudness 50 Hz
sound? (Answer is NOT 50.12 x 10^-12)
*4. What is the ratio of the pressure variation (in amplitude)
of the equal loudness...
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