Chemistry, 11.01.2020 01:31 AutumnJoy12

Aspace probe on the surface of mars sends a radio signal back to earth, a distance of 7.19 ×10⁷ km. radio travel at the speed of light (3.00 ×10⁸ m/s). how many seconds does it take for the signal to reach the earth?

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Aspace probe on the surface of mars sends a radio signal back to earth, a distance of 7.19 ×10⁷ km....

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