Hola!!Calculate the angular speed of the (I) Second hand and (II) minu

1.	Hola!!Calculate the angular speed of the (I) Second hand and (II) minute hand of a watch.
Answer» Solution :- We have to calculate the angular speed of (i) Second hand As second hand COMPLETE on ROTATION in 60 sec → FREQUENCY = 1/60 Now as we know that ω = 2πf $\omega = 2 \times \dfrac{22}{7} \times \dfrac{1}{60}$ $\omega = \dfrac{44}{420}$ $\omega = \dfrac{11}{105}$ $\omega = 0.104761$ $\omega = 0.1048 \: rad/sec$ $\large{\boxed{\sf{\omega = 1.048 \times 10^{-1} \: rad/sec}}}$ (ii) Minutes hand As MINUTE hand complete on rotation in 60 × 60 = 3600 sec → Frequency = 1/3600 Now as we know that ω = 2πf $\omega = 2 \times \dfrac{22}{7} \times \dfrac{1}{3600}$ $\omega = \dfrac{44}{25200}$ $\omega = \dfrac{11}{6300}$ $\omega = 0.0017460$ $\omega = 0.001746\: rad/sec$ $\large{\boxed{\sf{\omega = 1.746 \times 10^{-3}\: rad/sec}}}$