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Arc length units

  1. Mar 21, 2014 #1
    Hello,

    I solved the arc length for a particular problem. However, what is the unit of arc length if the units of the velocity vs time graph are m/s vs s?

    I am really confused.
     
  2. jcsd
  3. Mar 21, 2014 #2
    Well, suppose you wanted to know the arc length of a portion of a circle; the typical formula is arc length = radius*angle. So the units would be meters*radians in standard SI. Although radians is a dimensionless unit, so you could also say units are just meters.
     
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