Figure shows a body of mass m moving with a uniform speed $v$ along a circle of radius $r$. The change in velocity in going from $A$ to $B$ is
Figure shows a body of mass m moving with a uniform speed $v$ along a circle of radius $r$. The change in velocity in going from $A$ to $B$ is
- A
$v\sqrt 2 $
- B
$v/\sqrt 2 $
- C
$v$
- D
zero
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The vectors $\vec{A}$ and $\vec{B}$ are such that
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- [AIPMT 1996]
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