Question: Problem 7. (a) Find $ F . ds if F = e cosyi - e sin yj, and C is the circle x2 + (y

Problem 7. (a) Find $ F . ds if F = e cosyi - e sin yj, and C is the circle x2 + (y - 1)2 = 12. Answer: f F . ds = 0; (b) Find the work done by the force F = yi - xj along the circle (x - 1)2 + y? = 1 (use the Green's Theorem). Answer: The work is equal to zero

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