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The intensity of the sound waves from the CD player is related to the amount of energy that passes through the loop in a certain amount of time.
Every note has a different frequency, which gives it a distinct pitch.
Sound?!
Sonar Equation d = st/2 (depth=speed of pulse*time for pulse to return) A wave traveling in water had a frequency of 500.0 Hz and a wavelength of 3.00m. What is the speed of the wave? S=dt/2
Intensity-amount of energy follows through certain area & time. loudness-human perception of sound intensity decibel-each unit on the scale for sound intensity pitch- how high/low sound seems to be ultrasonic-sound frequencies above 20,000 Hz doppler effect-change in pitch/wave frequencies
