If the terminal speed of a sphere of gold (density = 19.5 kg/m3) is 0.2 m/s in a viscous liquid (density = 1.5 kg/m3) of the same size in the same liquid.

Momentum and CollisionHard

Question

If the terminal speed of a sphere of gold (density = 19.5 kg/m³) is 0.2 m/s in a viscous liquid (density = 1.5 kg/m³) of the same size in the same liquid.

Options

A.0.2 m/s

B.0.4 m/s

C.0.133 m/s

D.0.1 m/s

Solution

v_s = 0.1 m/s

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