Test Academy | The length of the seconds hand of a watch is 10 mm. What is the change in the angular speed of the watch after 15 seconds Zero, (10π/2) mms⁻¹, (20/π) mms⁻¹, 10√2 mms⁻¹

Question

The length of the seconds hand of a watch is 10 mm. What is the change in the angular speed of the watch after 15 seconds

Options :

Zero
(10π/2) mms⁻¹
(20/π) mms⁻¹
10√2 mms⁻¹

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