17 0 / 1 point If spherical surfaces with radius of 1 [m] and 2 [m] carry uniform surface charge densities of 8 [nC/m2] and -6 [nC/m2], respectively, find the magnitude of the electric field at a radius of 3 [m]. -Use numbers when answering, rounding to the hundredths in the format 0.00 -Answer in units of [V/m] X 1.34 18 0 / 1 point A sphere of radius a is centered at the origin. if p = 5R1/2, 0