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The speed of light is about 3.00 x 10^5 km/s. It takes approximately 1.28 seconds for light reflected from the moon to reach Earth. What is the average distance from Earth to the moon?
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The speed of light is about 3.00 x 10^5 km/s. It takes approximately 1.28 seconds for light reflected from the moon to reach Earth. What is the average distance from Earth to the moon?

User Anjali Shah
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Average distance from Earth to the moon = speed of light x time
= 3 x 10^5 x 1.28
= 384000 km.

Hence the average distance from Earth to the moon is 384000 km.
Hope this helps, have a great day ahead!
User Mattst
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