Q. If a body takes 't' seconds to go once round the circular path of radius 'r', the velocity 'v' is given by
A) v=2πrt
B) v=t2πr
C) v=πr2t
D) v=2πr2t
✔ Correct Answer: v=2πrt
Exam Insight
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A) v=2πrt
B) v=t2πr
C) v=πr2t
D) v=2πr2t
✔ Correct Answer: v=2πrt
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