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the magnitude of displacement and avarage velocity of the top of the second hand

15498700639711664720689.jpg The magnitude of displacement and average velocity of the top of the seconds hand of a clock of dial radius R 25 cm during t 10s.
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@Aditi

 For 60 sec total theta is 360

So for 10 sec theta is 60

now we find displacement which is equal to (1/4) m

and avarage velocity=d/t=(1/40)m/s

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