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Name PROBLEM 3A: Until budget cuts in 2011, Fermilab in Chicago was home to the largest particle collider in the world known as the Tevatron. The physics behind such an achievement is as complex as you'd expect, but let's consider a simplified version. (A) (4pts) Protons are accelerated and fired through the velocity selector (bottom right). If the sides of this area are charged as shown, what direction should the constant magnetic field Bi be pointing? (For partial credit, you may wish to + + + + + + + + + + + + + + + +t draw force and/or field vectors) B) (6pts) For the experiment in question, we want these protons to be moving at 2.9 x 108 m/s. If the electric field measures 12000 N/C in this region, what is Bi? B1 = (C) (10pts) Once these protons leave the velocity selector, they spin around the collider's 6.28 km circumference as shown. Assuming this is achieved using only a constant magnetic field B2, find the magnitude and direction of that field. B2 = Direction