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