The length of second's hand in watch is ...

The length of second's hand in watch is `1 cm`. The change in Velocity of its tip in 15 seconds is

A

Zero

B

`(pi)/(30sqrt(2))cm//sec`

C

`(pi)/30cm//sec`

D

`(pisqrt(2))/30cm//sec`

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The correct Answer is:

D

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