The sound intensity level of a dog's bark is 40 dB. The intensity of a rock...
The sound intensity level of a dog’s bark is 40 dB. The intensity of a rock concert is 10,00 times that of the dog’s bark. What is the sound intensity level of the rock concert
At a certain distance, the sound intensity level of a dog’s bark is 50 dB. At that same distance, the sound intensity of a rock concert is 10,000 times that of the dog’s bark. What is the sound intensity level of the rock concert?
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 intensity from another rock band playing at 105 dB?
Sound Intensity & dB: You are watching the space shuttle rise after it launches. The sound level of the shuttle is 170 dB at a distance of 10.0m from the engine flames. Your seat in the bleachers is 10.00 km away. 25. What is the sound level at your ear (in dB)? Note: Pay attention to the units required for the answer. DIRECT SOUNDS Jettake-off, un shot Jack hann er Threshold of pain Rock concert Dance dub Voice shouting Factory...
What is the sound intensity level (in units of dB) when the intensity of sound is 5.05 mW/m2?
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...
A plane wave at 2,000 Hz has a sound intensity level of 75 dB. What is Prms in Pa? d. 3.6x10 5.1x10-1 f. None of the above a. 3.6x10-2 b. 1.1x10-1 c. 2.3x10-1 e. 0. A plane wave at 1,050 Hz in air at room temperature has a sound intensity level of 60 dB. What is the wavelength in ft? a. 0.27 b. 0.33 d. 0.90 1.07 e. c. 0.78 f. None of the above A plane wave at 2,000...
2) A referee whistle has a sound intensity level of 71.45 dB. Find the sound intensity in watts per square meter for the whistle. Compare this to a sound intensity level of 126.0 dB for a loud stadium. Would you be able to hear the whistle in the stadium?
At a recent rock concert, a dB meter registered 130 dB when placed 1.40 m in front of a loudspeaker on the stage. (a) What was the power output of the speaker, assuming a hemispherical radiation of the sound and neglecting absorption in the air? (b) How far away would the intensity level be a somewhat reasonable 85 dB?