The angular velocity of the seconds hand in a watch is:

0.053 r a d / s

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0.210 r a d / s

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0.105 r a d / s

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0.42 r a d / s

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Solution

The correct option is C $0.105 r a d / s$
Seconds hand takes 60 seconds to cover one cycle of $2 π$ radian.
$∴ ω = \frac{2 π}{60} = 0.105 r a d / s$

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