# Science

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How many minutes are required for a radio signal to travel for Earth to a space station in Mars if the planet Mars is 7.83 x 10 to the 7th km from Earth?

• Science -

d = V*T = 7.83*10^10 m.
3*10^8m/s * T = 7.83*10^10
T = 2.61*10^2 = 261 s. = 4.35 min.

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