Question

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Can you check my answers? If they're incorrect, please include a picture of the correct answer written out on a peice of paper.

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c. When a spherical object of radius r moves at velocity v in a viscous liquid, the object experi- ences a drag force given by Stokes' Law (Fd = 6πrv. η). Given the apparent weight of the object above, under what condition would the object be falling at "terminal velocity"? State the equation for this condition. on Imne obe te te Sole dounwardforce F beginつto fall at terminal velocity am d. Using Stokes' Law and your condition stated above, solve for the viscosity η in terms of the radius, volume and terminal speed vT of the object in the liquid, material densities of the object and fluid, and the gravitational acceleration. (In this lab, you will measure radius and terminal velocity of the object, and use this relationship to determine the viscosity of the liquid). Lqiven tnet tue fones ar ea) 3 나

Answer 1

3 dl 3 4- 3 3