The speed of light is $1.86 times 10^5$ miles per second. If the distance between the Sun and Earth is $9.3 times 10^7$ miles, how long does it take sunlight to reach Earth?

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Answer 1 · 2017-02-28T06:00:18

Distance from Earth to Sun=93000000 miles.

Speed of light 186000 miles/second.
divide 93000,000 by 186000=500 seconds.=8.333 minutes
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The speed of light is 1.86 times 10^5 1.86 times 10^5 miles per second. If the distance between the Sun and Earth is 9.3 times 10^79.3 times 10^7 miles, how long does it take sunlight to reach Earth?