PROBLEMS TO BE WRITTEN UP AND TURNED IN AT RECITATION This problem is due at your first recitation meeting after Wed 04/13. The problem should be written on a single sheet of paper (front and back), or if multiple sheets are used, staple them together. For full credit, the work must be neat, with clearly labeled diagrams. The labels must be in BOTH words and symbols. For each part of the problem, you must BRIEFLY explain your strategy in words, as well as neatly showing your physics equations and math, with proper units. Halliday and Resnick - 2nd Edition - CHAPTER 32 (10 points) 20. A stiff wire bent into a semicircle of radius a is rotated with frequency f in a uniform magnetic field, as suggested in the figure. What is the amplitude of the varying EMF induced in the loop? (You must clearly show your logic to get full credit.) pdf version of figure