Posted by Brandon on Sunday, May 20, 2012 at 4:36pm.
IT makes one round (2PI radians) per hour,
speed= 2PIrad/hr*1hr/3600sec*2.5cm or
speed= 0.00436332313 cm/second
They ask for an angular velocity. That would be independent of the minute hand's length, and would be (2*pi rad/h)/(3600 sec/h) = 1.745*10^-3 rad/s
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