• Question: What is the speed of light in an hour

    Asked by anon-349016 to Lizzie on 10 Feb 2023.
    • Photo: Lizzie Driscoll

      Lizzie Driscoll answered on 10 Feb 2023:


      Light travels at 300,000,000 metres per second – this will be constant.

      If we want to know how far light travels in an hour, we need to know how many seconds are in an hour.
      60 seconds in a minute.
      60 minutes in a hour.
      So 60 x 60 = 3600 seconds in a hour.

      We can then take the speed of light and multiply by the amount of seconds in a hour, to get the distance.
      This follows the relationship of distance = speed multiplied by time.

      So the speed of light will travel 1,080,000,000,000 metres in an hour!!!

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