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If light travels at 1.86 × 105 miles per second, approximately how long would it take, in hours, for light originating from the Sun to reach the planet Neptune 2.81 × 109 miles away?

Guest Feb 16, 2017
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If light travels at 1.86 × 105 miles per second, approximately how long would it take, in hours, for light originating from the Sun to reach the planet Neptune 2.81 × 109 miles away?

 

[2.81 x 10^9] / [1.86 x 10^5] =~15,107.52 seconds / 3,600 =~4.2 hours.

Guest Feb 16, 2017
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U R THE ONLY PERSON THAT ACTULY ASKEDASMART QUESTION!!!! I thank you...smiley

Guest Feb 16, 2017

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