A) \[\frac{\pi }{30}rad/s\]
B) \[\frac{\pi }{60}rad/s\]
C) \[\frac{\pi }{15}rad/s\]
D) \[\frac{\pi }{2}rad/s\]
Correct Answer: A
Solution :
Second hand of a clock turns through an angle 2 n in 1 min (= 60 s) \[\therefore \]angular velocity \[\omega =\frac{2\pi }{60}\] \[=\frac{\pi }{30}rad/s\]
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