1.

A spherical particle of diameter 1 m and density 1200kg/m3 is falling freely through a column of water with a velocity of 0.7 m/s. Considering the viscosity of water to be 8.11 10-4 kg/ms and acceleration due to gravity as 9.8 m/s2, calculate the terminal velocity of the particle.

A. 0.34 10<sup>-6</sup> m/s
B. 1.34 10<sup>-7</sup> m/s
C. 1.34 10<sup>-8</sup> m/s
D. 2.34 10<sup>-7</sup> m/s
Answer» B. 1.34 10<sup>-7</sup> m/s


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