A dog lives next door to the Tijera's new residence. It barks constantly at a frequency of 7000 Hz. Sound travels near and through the Tijera residence at 1080 feet per second. What is the wavelength of the dog's bark to the nearest thousandth of a foot?

Question

wolf1728 · Answer

wavelength = speed of sound / frequency wavelength = 1,080 feet per sec / 7,000 Hz wavelength = 0.154 feet Check your answer with the sound wavelength calculator http://1728.org/freqwavf.htm 1,080 feet/sec = 329.18 meters/sec

anonymous · Answer

7.595 ft
1.550 ft
7.295 ft
0.154 ft

Those are the answers provided...

wolf1728 · Answer

jtbulin
Then it seems the bottom answer .154 feet is the one to pick.

anonymous · Answer

thanks doll