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18. A particle B is moving in a circle of radius a with a uniform speed u. C is the centre of the circle and AB is diameter. The angular velocity of B about A and C are in the ratio

(a) 1 : 1

(b) 1 : 2

(c) 2 : 1

(d) 4 : 1

Ans. b

(15)

5/5 - (1 vote)

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