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May 22, 2015

Homework Help: physics

Posted by desh on Tuesday, January 24, 2012 at 5:38am.

Two small metal spheres of densities in the ratio 3:2 and diameters in the ratio 1:2 are released from rest in two vertical liquid columns of coeff. of viscosities in the ratio 4:3. When the viscous force on both of them is same, what will be the ratio of their instantaneous velocities?

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