What is the magnetic force on a proton that is moving at 2.5 × 107 m/s up
through a magnetic field that is 0.12 T and pointing toward you? The charge
on a proton is 1.6 x 10-19 C. Use F = qvx B sin(e).
A. 4.8 x 10-13 N left
OB. 4.0 × 10-12 N down
x
C. 4.8 x 10-13 N right
D. 4.0 × 10-12 N up
X
