A solid sphere of radius R acquires a terminal velocity v1 when falling (due to gravity) through a viscous fluid having a coefficient of viscosity η. The sphere is broken into 27 identical spheres. If each of these acquires a terminal velocity v2, when falling through the same fluid, the ratio (v1/v2) equals (a) 9 (b) 1/27 (c) 1/9 (d) 27
A solid sphere of radius R acquires a terminal velocity v1 when falling (due to gravity) through a viscous fluid having a coefficient of viscosity η. The sphere is broken into 27 identical spheres. If each of these acquires a terminal velocity v2, when falling through the same fluid, the ratio (v1/v2) equals (a) 9 (b) 1/27 (c) 1/9 (d) 27
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A solid sphere of radius R acquires a terminal velocity v1 when falling (due to gravity) through a viscous fluid having a coefficient of viscosity η. The sphere is broken into 27 identical spheres. If each of these acquires a terminal velocity v2, when falling through the same fluid, the ratio (v1/v2) equals
(a) 9
(b) 1/27
(c) 1/9
(d) 27
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