Question
A car travelling at 90 km/hr sounds it horn as it approaches a stationary cyclist.if the car horn is at 512 Hz and temperature of air is 10 degree centigrade, what is the frequency of the sound waves reaching the cyclist as car approaches.
Answers
f = fo v/v-vs
You'll have to look up the speed of sound at 10o, and don't forget to convert to m/s
You'll have to look up the speed of sound at 10o, and don't forget to convert to m/s
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