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25 April, 19:54

How many nanoseconds does it take light to travel a distance of 1.70km in vacuum?

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  1. 25 April, 20:06
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    Distance = 1.7 km = 1700 m

    Speed of light in a vacuum = 3 x 10⁸ m/s

    Time = distance / speed

    = 1700 / 3 x 10⁸

    = 5.67 x 10⁻⁶ s

    = 5667 nanoseconds.
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