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Home Q & A Board Science-Related Homework Help Physics Astronomy
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killian killian
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10 years ago
One light-hour is the distance that light travels in an hour. How far is this, in kilometers? (Recall that the speed of light is 300,000 km/s.)
A) 300,000 km
B) 18 million km
C) 100 million km
D) 1.08 billion km
E) 9.46 trillion km
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padrepadre
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10 years ago
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killian Author
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10 years ago
Thanks for helping me with my astronomy class
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