What power is radiated by this source

Reference no: EM13491288

A spherical source radiates sound uniformly in all directions. At a distance of 13 m, the sound intensity level is 80 dB.

(a) At what distance from the source is the intensity level 60 dB?

in m

(b) What power is radiated by this source?

in W

Reference no: EM13491288

Questions Cloud

What is the greatest length of an organ pipe : The normal range of hearing is about 20 to 20000 Hz. Assume that your hearing range is 26 to 18500 Hz. (Use 340 m/s as the speed of sound.) What is the greatest length of an organ pipe that would have its fundamental note in your hearing range if i..

Determine its velocity when it hits the ground : A juggler throws a ball from height of 0.950 m with a vertical velocity of +3.75 m/s and misses it on the way down. What is its velocity when it hits the ground

Estimate the wave velocity : A transverse wave of frequency 14 Hz propagates down a string. Two points 15 cm apart are out of phase by pi/6. What is the wave velocity

Determine the frequency of the car horn : A car is approaching a reflecting wall. A stationary observer behind the car hears a sound of frequency 790 Hz from the car horn and a sound of frequency 813 Hz from the wall. What is the frequency of the car horn

What power is radiated by this source : A spherical source radiates sound uniformly in all directions. At a distance of 13 m, the sound intensity level is 80 dB. What power is radiated by this source

What is the total acoustic power output of the speaker : A loudspeaker at a rock concert generates 10-2 W/m2 at 22.0 m at a frequency of 1.0 kHz. Assume that the speaker spreads its energy uniformly in three dimensions. What is the total acoustic power output of the speaker

What is the speed of a transverse wave pulse on this wire : A 5 m long string has a mass of 110 g and is under a tension of 900 N. What is the speed of a transverse wave pulse on this wire

Determine the overhead volume variance : Colly, Inc. pays 20% of the cost of purchases in the month purchased and 60% in the month after and 20% in the month after that, how much cash will be disbursed in the month after a $108,000 purchase.

Determine the magnitude of the necessary lifting force : A jet flying at 128 m/s banks to make a horizontal circular turn. The radius of the turn is 3810 m, Calculate the magnitude of the necessary lifting force

User Account

All Pages