An electron of mass 9.11 x 104-31 kg moves perpendicular to a uniform magnetic held at a speed of 1.00 x 10^7 m/s and undergoes an acceleration of 2.00 x 10*13 m/s^2 in the positive z-direction when its velocity is in the positive x-direction. Determine the magnitude of the magnetic field. Q 10.0 x 10%-6T O 124 x 10 6T O 114 x 10%-6 T O 13.4 x 10* 67An electron of mass 9.11 x 10^-31 kg moves perpendicular to a uniform magnetic held at a speed of 1.00.x 10*7 m/s and undergoes an acceleration of 2.00 x 10*13 m/s^2 in the positive z-direction when its velocity is in the positive x-direction. Determine the direction. O -y-direction O' +z-direction 0 7-direction Ofty -direction