definitions
The highest part of a transverse wave
What is a crest?
All sound begins as a
What is a vibration?
A trombone plays with 0.25 W of power and someone hears it 3.5 meters away. Find intensity
What is 1.6 x 10-3 W/m2 ?
Unit for loudness
What is decibels?
Sound moves faster through which of the following:
A) air B) water C) iron D) plastic
What is C iron?
Distance between troughs in a transverse wave
What is wavelength?
Sounds that are below human hearing are called
What is infrasonic?
Find the Power a mower has with intensity of 0.0011 W/m2 and distance of 8 meters
What is 0.885 Watts?
Unit for power
What is watts?
What is resonance?
Area in a sound wave where density and pressure are at the highest
What is a compression?
What is increases?
Find intensity when distance is 2 meters and power is 2.31 x 10-5 Watts
What is 4.6 x 10-7 Watts/meter2
Unit for wavelength
What is meters?
Sound waves that can be heard by human ear are called
What are audible?
Frequency of an audible sound determines how the sound is perceived called:
What is pitch?
What is 3 directions?
Power of sound is 0.5 W and distance is 12 meters. Find intensity.
What is 2.76 x 10-4 W/m2 ?
Unit for frequency
What is hertz?
Range of human hearing
What is 20 to 20,000 hz?
The observed change in frequency due to relative motion between source and observer
What is Doppler Effect?
Human hearing depends on these two things
What is frequency and intensity?
Find distance away from a sound with power 0.8 Watts with intensity of 2.7 X 10-6 W/m2
What is 153.6 meters?
unit for sound intensity
What is W/m2
On this date, the attack on Pearl Harbor occurs bring the United States into WWII. Need day and year!
What is December 7th, 1941?