please explain Example A rock band has an average intensity level of 110 dB at a...
At a recent rock concert, a dB meter registered 120 dB when placed 1.60 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? W (b) How far away would the intensity level be a somewhat reasonable 85 dB? m
At a recent rock concert, a dB meter registered 126 dB when placed 1.30 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? W (b) How far away would the intensity level be a somewhat reasonable 85 dB?
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?
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?
At a rock concert, a dB meter registered 135 dB when placed 2.3 m in front of a loudspeaker on the stage. The intensity of the reference level required to determine the sound level is 1.0 x 10-12 W/m2 Part A What was the power output of the speaker, assuming uniform spherical spreading of the sound and neglecting absorption in the air? Express your answer to two significant figures and include the appropriate units. Part B How far away would the sound level be...
At a recent rock concert, a dB meter registered 114 dB when placed 1.70 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? _____W 9.12W IS WRONG (b) How far away would the intensity level be a somewhat reasonable 85 dB? _____m
At a rock concert, a dB meter registered 135 dB when placed 2.3 m in front of a loudspeaker on the stage. The intensity of the reference level required to determine the sound level is 1.0 x 10-12 W/m² Part A What was the power output of the speaker, assuming uniform spherical spreading of the sound and neglecting absorption in the air? Express your answer to two significant figures and include the appropriate units. HA ? P= Value Units Submit...
At a rock concert, a dB meter registered 135 dB when placed 2.3 m in front of a loudspeaker on the stage. The intensity of the reference level required to determine the sound level is 1.0×10−12W/m^2. What was the power output of the speaker, assuming uniform spherical spreading of the sound and neglecting absorption in the air? Express your answer to two significant figures and include the appropriate units. How far away would the sound level be 83 dB? Express...
At a rock concert, a dB meter registered 126 dB when placed 2.4 m in front of a loudspeaker on the stage. Part A What was the power output of the speaker, assuming uniform spherical spreading of the sound and neglecting absorption in the air? Express your answer using two significant figures. P- W Submit Request Answer Part B How far away would the sound level be a somewhat reasonable 88 dB? Express your answers using two significant figures. Submit...