Which of the following is primarily concerned with the identification of a business projects demand potential and the selection of optimal technology in the execution of the business model value proposition?
Select one:
O a. Feasibility analysis.
O b. Financial analysis.
OC. Techno-economic analysis.
O d. Input analysis.​

Asolid cylinder is concentric with a straight pipe. the cylinder is 0.5 m long and has an outside diameter of 8 cm. the pipe has an inside diameter of 8.5 cm. the annulus between the cylinder ad the pipe contains stationary oil. the oil has a specific gravity of 0.92 and a kinematic viscosity of 5.57 x 10-4 m2/s. most nearly, what is the force needed to move the cylinder along the pipe at a constant velocity of 1 m/s?