A bug crawls outward from the center of a compact discspinning at 230 revolution

Question

A bug crawls outward from the center of a compact discspinning at 230 revolutions per minute. The coefficient of staticfriction between the bug's sticky feet and the disc surface is 1.0.How far does the bug get from the center before slipping?
  ?  cm
A bug crawls outward from the center of a compact discspinning at 230 revolutions per minute. The coefficient of staticfriction between the bug's sticky feet and the disc surface is 1.0.How far does the bug get from the center before slipping?
  ?  cm

Explanation / Answer

the maximum frictious force for the bug a=1*g=9.8 m/s2 the bug will be slipped , when a=centripetal acceleration=2*r =230*2/60=24.08 rad/s => r=0.0169 m=1.69 cm the bug will be slipped , when a=centripetal acceleration=2*r =230*2/60=24.08 rad/s => r=0.0169 m=1.69 cm

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