In New England, the horizontal component of the Earth's magnetic field has a magnitude of 1.2 × 10-5 T. An electron is shot vertically straight up from the ground with a speed of 3.4 × 106 m/s. What is the magnitude of the acceleration caused by the magnetic force? Ignore the gravitational force acting on the electron.
F=qvB
q=1.6×10-19c , V=3.4×106 , B=1.2×10-5 T
F=1.6×10-19×3.4×106×1.2×10-5
F=6.528×10-18
F=ma
a=F/m
a=(6.528×10-18)/9.1×10-31
a=7.173×1012 m/s^2
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