Meatloaf (google/youtube him if you’re too young to know the reference) plays an F on his guitar as he races down the highway at 100.0mph on his motorcycle. (The song “Bat out of Hell” is in F major.) An F has a frequency of 349.23Hz. First convert 100mph to meters per second. What frequency will a person standing along side the road hear as meatloaf approaches? (Hint, use the Doppler equation we derived in class. The speed of sound in air is 343m/s.)
Properties of sound
A sound wave is a mechanical wave (or mechanical vibration) that transit through media such as gas (air), liquid (water), and solid (wood).
Quality Of Sound
A sound or a sound wave is defined as the energy produced due to the vibrations of particles in a medium. When any medium produces a disturbance or vibrations, it causes a movement in the air particles which produces sound waves. Molecules in the air vibrate about a certain average position and create compressions and rarefactions. This is called pitch which is defined as the frequency of sound. The frequency is defined as the number of oscillations in pressure per second.
Categories of Sound Wave
People perceive sound in different ways, like a medico student takes sound as vibration produced by objects reaching the human eardrum. A physicist perceives sound as vibration produced by an object, which produces disturbances in nearby air molecules that travel further. Both of them describe it as vibration generated by an object, the difference is one talks about how it is received and other deals with how it travels and propagates across various mediums.
Meatloaf (google/youtube him if you’re too young to know the reference) plays an F on his guitar as he races down the highway at 100.0mph on his motorcycle. (The song “Bat out of Hell” is in F major.) An F has a frequency of
349.23Hz.
First convert 100mph to meters per second.
What frequency will a person standing along side the road hear as meatloaf approaches?
(Hint, use the Doppler equation we derived in class. The speed of sound in air is 343m/s.)
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