PHY 2202 General Physics II Homework 3-1 \"Lorentz Force, Solenoid\" Due: 5:15 P

Question

PHY 2202 General Physics II Homework 3-1 "Lorentz Force, Solenoid" Due: 5:15 P.M. on Tuesday, October 24, 2017 Fundamental Constants: e = 1.60 × 10-19 C-elementary charge flo = 1.26 × 10-6 H/m-magnetic permeability m, = 9.11 × 10-31 kg-electron mass my) = 1.67 x 10-27 kg-proton mass 1) One proton p+ and one electron €-are entering the magnetic field B tiT. The velocities of the proton and the electron are the same, u = 300 m/s Determine the trajectories of the particles, after they enter the magnetic field

Explanation / Answer

for proton :

r = mp v/(qp B) = (1.67 x 10-27) (300)/((1.6 x 10-19) (5 x 10-6)) = 0.63 m

for electron :

r = me v/(qe B) = (9.11 x 10-31) (300)/((1.6 x 10-19) (5 x 10-6)) = 0.00034 m

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