When mars is on the opposite side of the sun from earth, it is about 4.0×108km away. how long does it take a radio signal traveling at the speed of light, c=3.00×105km/s, to go from earth to mars at this time? be sure to give your answer with the appropriate precision?
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When mars is on the opposite side of the sun from earth, it is about 4.0×108km away. how long does i...
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