What is transfering energy from one place to another.
100
Find the speed of the wave:
wavelength = 400 meters
period = 10 seconds
What is 40 metes per second?
200
What sound waves carry
What is energy?
200
Anvil, Hammer, and Stirrup.
What is the Middle Ear?
200
A system of detecting reflected sound waves.
What is SONAR?
200
The frequency a tuning fork of frequency 140 Hz will resonate if a sound wave incident on it has a frequency of this.
What is any harmonic of 140 Hz? (such as 70 Hz, 210 Hz, 280 Hz, etc.)
200
Find wavelength:
velocity in air = 330 m/s
frequency = 60 Hz
What is 5.5 meters?
300
How sound waves start out.
What are vibrations?
300
Cochlea
What is the Middle Ear?
300
What dolphins and bats use.
What is echolocation?
300
The wavelength of a sound wave with frequency 20 Hz (use 330 m/s for the speed of sound in air).
What is 16.5 meters?
300
Find intensity:
power = 6.55 Watts
distance = 20 meters
What is 0.001303 W/meters^2
400
what is power divided by (4 * pi * radius^2)
What is intensity?
400
The threshold for pain
What is 120 dB?
400
Used by pregnant mothers to see their babies.
What is an Ultrasound?
400
The power generated by the intensity of a person's voice with 5.7e-7 W/m^2 at a distance of 1.8 meters.
What is 2.32076e-5 Watts?
400
Find frequency:
speed of sound in water = 1,481 m/s
wavelength = 50 meters
What is 29.62 Hz?
500
Once a sound leaves the source, no more ________ is added to it.
What is energy?
500
A two part device that is surgically implanted that bypasses the outer and middle ear so that sound waves can be directly transmitted to the brain through nerve endings on the basilar membrane
What is a Cochlea Implant?
500
What SONAR means
What is SOund NAvigation and Ranging
500
The wavelength for a sound wave with 20,000 Hz when the speed of sound in air is 330 m/s
What is 0.0165 meters?
500
If a sound wave goes from 30 dB to 60 dB, by what value does the intensity change?