Two identical balls are connected by a weightless thread thrown over a weightless block, and one of the balls is immersed in a vessel with liquid (Fig. 66). At what steady-state speed v will the balls move if it is known that the steady-state speed of falling of a single ball in the same liquid is equal to V0? Consider the resistance force to be proportional to the speed. The density of the liquid is equal to рж, the density of the material of the balls is equal to р.
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