what would the speed of an observer be if a red(4.688x10^14Hz) traffic light appeared green(5.555x10^14Hz) to the observer?
a) 2.219x10^8 m/s
b) 4.445x10^8 m/s
c) 5.548x10^7 m/s
d) 8.438x10^7 m/s
e) 2.890x10^6 m/s
a) 2.219x10^8 m/s
b) 4.445x10^8 m/s
c) 5.548x10^7 m/s
d) 8.438x10^7 m/s
e) 2.890x10^6 m/s
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