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Simple units conversion (km/h -> m/s)

  1. Aug 29, 2008 #1
    So the problem is:

    Convert 35 km/h to in m/s.

    I know that:

    - 1 km = 10^3 m
    - 1 h = 60 s

    So I do:

    35 km/h (10^3 m/1 km) (1 h/60 s) = 583 m/s

    But the answer is 9.7 -- What??
     
  2. jcsd
  3. Aug 30, 2008 #2

    stewartcs

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    Science Advisor

    [tex] \frac{35km}{h} \cdot \frac{1000m}{1km} \cdot \frac{1h}{3600s}[/tex]

    There are more seconds in an hour than 60!

    Hope this helps.

    CS
     
  4. Aug 30, 2008 #3
    Wow, that was dumb of me. Seriously, I could simply NOT figure this out. Thanks a lot!
     
  5. Aug 30, 2008 #4

    stewartcs

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    Science Advisor

    Honest mistake...happens to everyone sometimes.

    CS
     
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