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?

Answer 1

But the answer is #~~1.28s#

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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Answer 2

It takes approximately 1.28 seconds for light to travel from the Moon to Earth.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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