2. Consider the mass spectrometer shown schematically in the figure below. The electric field between the plates of the velocity selector is 4.81 × 105 V/m, and the magnetic fields in both the velocity selector and the deflection chamber have magnitudes of .313 T. (a) Calculate the radius r of the path for a singly charged positive ion with mass m = 5.14 x 10-26 kg. (b) If the length of the velocity selector was 3.00 m long then how much total time will the particle spend in the spectrometer? Bo, in Photographic plate Velocity selector

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