Answer to Question #158531 in Physics for Jonathan

Question #158531

A radar signal took 5.1s to go to mars and return. How far away was Mars at that moment

Expert's answer

The distance Earth-Marth is equal

"d=\\frac{ct}{2}=\\frac{3\\times 10^8\\rm m\/s\\times 5.1\\: s}{2}=7.65\\times 10^8\\; \\rm m"

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