SOLUTION: Use the fact that the speed of light in a vacuum is about 3.00 ✕ 108 m/s to determine how many kilometers a pulse from a laser beam travels in exactly 2.8 hour(s).

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Question 1093620: Use the fact that the speed of light in a vacuum is about 3.00 ✕ 108 m/s to determine how many kilometers a pulse from a laser beam travels in exactly 2.8 hour(s).
Answer by Alan3354(69443) About Me  (Show Source):
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Use the fact that the speed of light in a vacuum is about 3.00 ✕ 108 m/s to determine how many kilometers a pulse from a laser beam travels in exactly 2.8 hour(s).
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2.8 hours = 2.8*3600 seconds.
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Multiply that by the speed.