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 :

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 :