The distance between the earth and the moon is about 384,000 km. calculate the time it takes for light to travel from the moon to earth?

1 Answer
Nam D. ยท Stefan V.
Jan 2, 2018

But the answer is ~~1.28s

Explanation:

The speed of light (c) is constant everywhere, it is 299","792","458 m"/"s=299","792.458km"/"s

Therefore, it takes (384","000)/(299","792.458)~~1.28s for the light to travel from the moon to earth.

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