# The angular speed of seconds needle in a mechanical watch is

Question : The angular speed of seconds needle in a mechanical watch is

(A) $\dfrac{\pi }{30}$ 𝑟𝑎𝑑/s

(B) $\dfrac{\pi }{2}$ 𝑟𝑎𝑑/s

(C) ${\pi }$ 𝑟𝑎𝑑/s

(D) $\dfrac{\pi }{60}$ 𝑟𝑎𝑑/s

Answer : option (A)

Solution :

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