If a disc is rolling without slipping ( centre of mass is moving rightward and the body is rotating about the centre of mass clockwise), then the ratio of speeds of point C to that of B is
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a
2 : 1
b
2 : 1
c
1 : 1
d
4 : 1
answer is B.
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Detailed Solution
VB=2Vcos12002=Vvelocity at C VC=2Vcos90o2=2VVC:VB=2:1