Radio waves travel at the speed of light, which is 3.00 * 10⁸ m/s. How many minutes does it take for a radio message to reach Earth from Saturn if Saturn is 7.9 * 10⁸ km from Earth A) 4.4 * 10^-2 min B) 1.6 * 10⁵ min C) 4.0 * 10¹⁵ min D) 44 min E) 2.6 min

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Quizplus · Accepted Answer

To find the time, divide the distance by the speed of light: (7.9 * 10^8 km * 10^3 m/km) / (3.00 * 10^8 m/s) = 2633.33 seconds. Convert seconds to minutes: 2633.33 s / 60 s/min = 43.89 minutes, approximately 44 minutes.

Radio Waves Travel at the Speed of Light, Which Is