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146.Two uniform similar discs roll down two inclined planes of length S and 2S respectively as shown is the fig. The velocities of two discs at the points A and B of the inclined planes are related as

(a)   v1 = v2

(b)   v1 =2v2

(c)    v1 = v1 (v2/4)

(d)   v1 =( 3/4) v2

Ans. a

(62)

5/5 - (1 vote)

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