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How long, in seconds, does it take a radar signal to make a round-trip between Earth and Mars when the two planets are 1

Posted: Sun Jul 17, 2022 3:29 pm
by answerhappygod
How long, in seconds, does it take a radar signal to make around-trip between Earth and Mars when the two planets are 1.30 AUapart?
Give the answer in ordinary notation (e.g. 35000) not inscientific notation (3.5x104). You can useas the speed of light 3x105km/s.