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Calculate the angular speed of the hour ...

Calculate the angular speed of the hour hand of a clock .

Text Solution

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The hour hand completes one round in 12 hours. One round makes an angular displacement `2pi`
`therefore omega = (Delta theta)/(Delta t )`
= `(2pi "rad")/(12 hr. )`
` = (2pi)/(12 xx 3600) "rad" s^(-1)`
` = (pi)/(21600)"rad" s^(-1)`
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