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7 July, 12:13

If light travels exactly 1 meter in 1/299,772,458 of a second, how many kilometers does it travel in 3.00 years? for this question, 1 year = 365.25 days.

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  1. 7 July, 15:49
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    Answer: 2.84*10^13 km

    To answer this question, you need to convert the year into second as the velocity of the light using meter/second unit, then convert the meter into kilometers. Since light travel 1 meter in 1/299,772,458 second, then the light velocity should be 299,772,458m/s. The calculation would be:

    Distance traveled = velocity * time

    Distance traveled = 299,772,458m/s * 3 years * 365.25 days/year * 24 hours/day * 3600 seconds / hour = 2.84 * 10^16 meter * 1km/1000m = 2.84*10^13 km
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