In a second, light travels about 300,000 km., or 3x108 meters.
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The meter is the length of the path traveled by light in vacuum during a time interval of 1/299,792,458 of a second.
Since a microsecond is a millionth of a second, just divide the distance light travels in one second, by a million.
Answer: 1 3/5 hours or 1 hour and 36 minutes Explanation: Distance traveled = Speed * time or solved for time is time = distance traveled / speed Plug in known values for speed and distance traveled and you will get the time it took.
A meter is defined as the distance travelled by light in free space in 1/299,792,458th of a second.
1 light-second = 186,282 miles