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Particle running with constant speed v in circle of radius R then answer the following question. During running on circumference if particle made angle `theta` at centre then change in the magnitude of velocity.A. `2v sin. (theta)/(2)`B. zeroC. `2v cos. (theta)/(2)`D. `2v sin theta` |
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Answer» Correct Answer - B `|vec(v)_(2)|-|vec(v)_(1)|=0` |
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