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Can anyone help with AP Physics?

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How does 2.55 km/h convert to 0.709 m/s? Having trouble with a problem having to do with relative velocity.

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  1. to convert a speed from km/h to m/s, simply divide it by 3.6

    to convert a speed from m/s to km/h, simply mulitply by 3.6

    3.6 is gotten from (60x60) 1hr to 1sec and (1000) Km to m


  2. 2.55 km/h

    1km = 1000m

    2.55 km/h (1000m / 1km) = 2550 m/h

    1 h = 60 m = 3600 s

    2550 m/h (1 h / 3600s) =  0.708 m/s
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