A Uniform Magnetic Field of Magnitude 0

Multiple Choice

A uniform magnetic field of magnitude 0.80 T in the negative z-direction is present in a region of space.A uniform electric field is also present.In the figure,the electric field is set at 20,800 V/m in the positive y-direction.An electron is projected with an initial velocity vo = 2.6 × 10⁴ m/s.in the positive x-direction.The y-component of the initial force on the electron is closest to:

A) - 7 × 10^-15 N
B) + 7 × 10^-15 N
C) - 3 × 10^-15 N
D) + 3 × 10^-15 N
E) zero