| Doppler effect examples |
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| • | Car with horn blowing, moving away from you at 70 MPH. |
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| – | Speed of sound is ~700 MPH = 1000 ft/sec |
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| – | Original horn pitch is 200 cycles/sec o ~ 5 ft |
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| • | Star moving toward you at 200 km/sec = 2.0105
m/s |
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| – | Speed of light c = 3.00 108 m/s |
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| – | Original H o= 0.65647 m |
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