The second's hand of a watch has length $6\,\, cm$. Speed of end point and magnitude of difference of velocities at two perpendicular positions will be
The second's hand of a watch has length $6\,\, cm$. Speed of end point and magnitude of difference of velocities at two perpendicular positions will be
- A
$6.28$ and $0 \,\,mm/s$
- B
$8.88$ and $4.44 \,\,mm/s$
- C
$8.88$ and $6.28 \,\,mm/s$
- D
$6.28 $ and $8.88 \,\,mm/s$
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