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?

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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?

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Answer 1 · 2018-01-02T08:17:28

But the answer is $\approx 1.28 s$ $~~1.28s$

Explanation:

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

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

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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

Explanation:

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