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Help with simple conversion

  1. Feb 8, 2006 #1
    I am in my first physics class and the professor just kinda skimmed over this but I am lost on how to convert km/h to m/s.

    What's the explanation on how to convert 82.4 km/h to m/s?

    Thanks in advance for any help.
     
  2. jcsd
  3. Feb 8, 2006 #2

    jamesrc

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    Science Advisor
    Gold Member

    There are 1000 m in one kilometer.
    There are 60 seconds in an hour.

    If you want to change from km/h to m/s, you need to divide by 1000 and multiply by 60. Think of it as multiplying by 1: 1 km/h * (1000m/km) * (1h/60s)= (1000/60) m/s
     
  4. Feb 8, 2006 #3
    Thanks very much.
     
  5. Feb 9, 2006 #4

    andrevdh

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    Homework Helper

    What I usually do is
    [tex]\frac{1\ km}{1\ h}=\frac{1000\ m}{3600\ s}[/tex]
    which gives
    [tex]1\ km/h=\frac{1}{3.6}\ m/s[/tex]
    or
    [tex]1\ m/s=3.6\ km/h[/tex]
     
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