skyrimmaster1185 skyrimmaster1185

24-10-2017
Chemistry

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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 )

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magistercollege magistercollege

25-10-2017

We can solve this with a one-step unit conversion. 1 hour contains 60 minutes, and each minute contains 60 seconds, so 1 hour contains 3600 seconds.

300,000 km/s x (3600 sec/1 hour) = 1,080,000,000 km/hr
1.08 x 10^9 km/hr

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