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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