A police car siren emits a frequency of 3700HZ while driving down the road at a speed of 30.0ms. what frequency will a person driving a car at 20.6ms in the opposite direction in front of the police car hear? C 4298HZ c 4367HZ ic 4343HZ C 4310HZ
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.
Please do both of the same type, thanks in advance.
![A police car siren emits a frequency of 3700HZ while driving down the road at a speed of 30.0ms.
what frequency will a person driving a car at 20.6ms in the opposite direction in front of the police
car hear?
4298HZ
ic 4367HZ
c 4343HZ
ic 4310HZ
lo None of these is correct
A police car siren emits a frequency of 3450HZ while driving down the road at a speed of 35.0ms.
what frequency will a person driving a car at 23.9ms in the same direction in front of the police car
hear?
c 3574HZ
ic 3616HZ
3556HZ
3642HZ](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbf56105c-d9c6-484a-9844-bc660361581d%2F8dd67d22-e86b-4ec7-beca-93475520d372%2Fi92c66i_processed.png&w=3840&q=75)
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