SOLVED:Sound intensity, β, in decibels is defined as β=10 log((I)/(I0)), where I is the intensity of the sound measured in watts per square metre (W / m^2) and I0 is 10^-12 W / m^2, the threshold of hearing. a) The sound intensity of a hairdryer is 0.00001 W / m^2 . Find its decibel level. b) A fire truck siren has a decibel level of 118 dB . City traffic has a decibel level of 85 dB. How many times as loud as city traffic is the fire truck siren? c) The sound of Elly's farm tractor is 63 times
SOLVED:Sound intensity, β, in decibels is defined as β=10 log((I)/…
1 month ago
numerade.com
SOLVED:The relationship between the number of decibels βand the intensity of a sound I in watts per square meter is β=10 log((I)/(10^-12)) . (a) Determine the number of decibels of a sound with an intensity of 1 watt per square meter. (b) Determine the number of decibels of a sound with an intensity of 10^-2 watt per square meter. (c) The intensity of the sound in part (a) is 100 times as great as that in part (b). Is the number of decibels 100 times as great? Explain.
SOLVED:The relationship between the number of decibels βand the i…
2 months ago
numerade.com
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