a) Magnetic force is to the east.
b) From classical kinetic energy formula, speed of electron is
6.49 x 107 m/s.
[This is 0.22 times the speed of light; corrected for relativistic effects, the speed would only change to 6.39 x 107 m/s, not much difference!]
The acceleration is 6.27 x 1014 m/s2.
c) The electron follows a circular path of radius 6.72 m.
The resulting deflection is 2.98 mm.
Force is 28.2 N to the west.
Current required is 467 mA.
The required magnetic field is 0.10 T at an angle of 31 degrees from the vertical.
The resultant force is vertical with magnitude