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Particle running with constant speed v in circle of radius R then answer the following question. During running on circumferences if particle made angle `theta` at centre then magnitude of change in the velocityA. `2v sin. (theta)/(2)`B. zeroC. `2v cos. (theta)/(2)`D. `2v sin theta`

Answer» Correct Answer - A
`|vec(v)_(2)-vec(v)_(1)|=2vsin.(theta)/(2)`


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