Question

A particle is moving along a circle with a uniform speed $v$. Find the magnitude of change in velocity when it has rotated an angle $\theta$.

• A. $2v\sin \theta$
• B. $v\sin \frac{\theta }{2}$
• C. $2v\sin \frac{\theta }{2}$
• D. $2v\cos \frac{\theta }{2}$

Answer 1

The correct option is A $2v\sin \theta$