At time t1, an electron is sent along the positive direction of an v axis, through both an electric field E and a magnetic field B with E directed parallel to the y axis. The figure gives the y component Fnet, y of the net force on the electron due to the two fields, as a function of the electron's speed v at time t1. The scale of the velocity axis is set by vs = 6.4 m/s. The x and z components of the net force are zero at t1. Assuming Bx = 0 find the magnitude of B in units of Tesla.
![The figure shows a particle that carries a charge of q0 = −2.87×10−6 C. It is moving along the +y axis at a speed of v = 4.73×106 m/s. A magnetic field B→ of magnitude 3.48×10−5 T is directed along the +z axis, and an electric field E→ of magnitude 116 N/C points along the −x axis. Determine (a) the magnitude and (b) direction (as an angle within x - y plane with respect to +x-axis in the range (−180∘, 180∘]) of the net force that acts on the particle. (a) Number Units (b) Number](https://www.doubtrix.com/uploads/editor/5183224650ntIuFuIXjL.jpg)
