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1 October, 04:23

The speed of light in a vacuum is 2.998 x 108 m/s. What is its speed in kilometers per hour (km/h) ? העתK speed = What is its speed in miles per minute (mi/min) ? speed = mi/min

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  1. 1 October, 04:31
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    Speed of light = 1.0793 * 10⁹ km/h

    Speed of light = 1.115 * 10⁷ km/h

    Explanation:

    Given that:

    The speed of the light = 2.998 * 10⁸ m/s

    To find the speed of light in km/h

    So,

    1 m = 10⁻³ km

    1 s = 1/3600 hr

    So,

    The speed of the light = (2.998 * 10⁸ * 10⁻³) * 3600 km/h

    Speed of light = 1.0793 * 10⁹ km/h

    To find the speed of light in mi/min

    So,

    1 m = 0.00062 miles

    1 s = 1/60 min

    So,

    The speed of the light = (2.998 * 10⁸ * 0.00062) * 60 mi/min

    Speed of light = 1.115 * 10⁷ km/h
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