What is the speed of the cars
Two cars traveling with the same speed move directly away from one another. One car sounds a horn whose frequency is 235 Hz and a person in the other car hears a frequency of 223 Hz. What is the speed of the cars?
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The moon moves noticeably along the celestial sphere over the space of a single night. to show this calculate how long it takes the moon to move through an angle equal to its own angular diameter against the background of the stars? give your
One car sounds a horn whose frequency is 235 Hz and a person in the other car hears a frequency of 223 Hz. What is the speed of the cars?
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