How many minutes does it take light from the sun to reach earth? (the distance from the sun to earth is 93 million mi; the speed of light = 3.00 ✕ 108 m/s.) ?

Question

Physics

Reynolds

27 September, 10:00

How many minutes does it take light from the sun to reach earth? (the distance from the sun to earth is 93 million mi; the speed of light = 3.00 ✕ 108 m/s.) ?

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Answers (1)

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Aydin · Answer 1

The speed of light is given which is 3*10˄8 = 300,000,000 m/s

93,000 miles = 149,668,992 000 meters - distance from sun to earth

149,668,992,000/300000000 = 498.9 seconds - time for light from sun to reach earth

498.9 seconds/60 seconds per minute = 8.3 minutes - time for light from sun to reach earth

So the answer is approximately 8 minutes.