A particle is moving on a circular path of radius $r$ with uniform velocity $v$. The change in velocity when the particle moves from $P$ to $Q$ is $(\angle POQ = 40^\circ )$
A particle is moving on a circular path of radius $r$ with uniform velocity $v$. The change in velocity when the particle moves from $P$ to $Q$ is $(\angle POQ = 40^\circ )$
- A
$2v\,\cos \,\,40^\circ $
- B
$2v\,\sin \,\,20^\circ $
- C
$2v\,\sin \,\,40^\circ $
- D
$2v\,\cos \,\,20^\circ $
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