Centripetal Acceleration increases with greater radius?

  • Thread starter eurekameh
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  • #1
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Does centripetal acceleration increase with a greater radius?
According to a = v^2/R, it does not.
According to a = (omega)^2R, it does.
So which is it?
I think that as you go further out to a greater radius, speed also increases, and so a = v^2/R would also make sense in terms of a greater centripetal acceleration with a greater radius.
 

Answers and Replies

  • #2
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Careful—you forgot that [itex]v=r \omega[/itex]. Your two expressions are equivalent.
 

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