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1. |
The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶m²/s). |
A. | 4000 |
B. | 4 |
C. | 0.24 |
D. | 0.44 |
Answer» E. | |