SOLUTION: the second's hand of a watch is two centimetres long what is the speed of this tip of the hand

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Question 884560: the second's hand of a watch is two centimetres long what is the speed of this tip of the hand
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The seconds hand make one revolution in 1 minute.
Convert from revolution per minute to radian/sec.
1rev%2Fmin*2pirad%2Frev*1%2F60min%2Fsec=0.105rad%2Fsec
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V=+w%2AR
V=0.105%2A2
V=0.21cm%2Fsec