Two cars a and b move along concentric circles of radous ra and rb with velocities va and vb. What is the ratio of va/vb maintaininf a constant distance
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The radii of two concentric circles are 7 cm and 14 cm respectively. The area .... Two cars A and B accelerate in the ratio of 2: 3 respectively. .... rA = 2rB, vA = 4 m/s, vB = 3 m/ s.
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