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A Smooth Stone Is Falling with Its Constant Terminal Velocity ×\times

Question 12

Multiple Choice

A smooth stone is falling with its constant terminal velocity in a viscous liquid.The density of the stone is 2.89 ×\times 103 kg/m3,and the density of the liquid is 1.34 ×\times 103 kg/m3.The volume of the stone is 2.15 ×\times 10-6 m3.The drag force F of the liquid on the stone is given by F = 3.52v in SI units,where v is the terminal velocity.The value of v is


A) 8.5 ×\times 10-3 m/s
B) 1.1 ×\times 10-2 m/s
C) 3.2 ×\times 10-2 m/s
D) 1.7 ×\times 10-2 m/s
E) 1.7 ×\times 10-3 m/s

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