A particle is moving on a circular path of radius $r$ with uniform speed $v$. What is the displacement of the particle after it has described an angle of $60^o$ ?
A particle is moving on a circular path of radius $r$ with uniform speed $v$. What is the displacement of the particle after it has described an angle of $60^o$ ?
- A
$r\sqrt 2 $
- B
$r\sqrt 3 $
- C
$r$
- D
$2r$
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- [AIIMS 2012]
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