The position of an electron is given by 7 = 8.01ti - 7.6312 j + 6.83k, with t in seconds and 7 in meters. Att = 2.96 s, what are (a) the x-component, (b) the y-component, (c) the magnitude, and (d) the angle relative to the positive direction of the x axis, of the electron's velocity u (give the angle in the range (-180, 180])? (a) Number i Units (b) Number i Units V (c) Number i Units (d) Number Units