How many seconds does it take for signal to reach the earth

Reference no: EM131237502

A space probe on the surface of Mars sends a radio signal back to the Earth, a distance of 7.86 x 10⁷ km. Radio waves travel at the speed of light (3.00 x 108 m/s). How many seconds does it take for the signal to reach the Earth?

Reference no: EM131237502

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