Q. Vector has a magnitude of 7.20 units and makes an angle of 39.5° counter-clockwise from the positive x-axis. Vector has a magnitude of 8.00 units and is directed along the negative x-axis
Q. The surface charge density on an infinite charged plane is -2.0 x 10^-6 C/m^2. A proton is shot straight away from the plane at 2.0 x 10^6 m/s. How far does the proton travel before reaching its turning point?