A particle is moving in a circle of radius $r$ having centre at $O$, with a constant speed $v$. The magnitude of change in velocity in moving from $A$ to $B$ is
A particle is moving in a circle of radius $r$ having centre at $O$, with a constant speed $v$. The magnitude of change in velocity in moving from $A$ to $B$ is
- A
$2 v$
- B
$0$
- C
$\sqrt{3} v$
- D
$v$
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- [JEE MAIN 2021]
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