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?

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Quizplus · Accepted Answer

To find the time, use the formula: time = distance/speed. Convert the distance from km to meters: 7.9 × 10^8 km = 7.9 × 10^11 m. Then, time = (7.9 × 10^11 m) / (3.00 × 10^8 m/s) = 2633.33 seconds. Convert seconds to minutes: 2633.33 s / 60 = 43.89 minutes, which rounds to 44 minutes.

Radio Waves Travel at the Speed of Light, Which Is