The figure shows a solid non-conducting sphere of radius R = 10 cm and total charge q distributed uniformly on it's volume. solve the following (assume k = 9x10° N. m?/c² and ɛg = 8.85x1012 c²/N. m²) a) If the E-field = 9×10° N/C at r = 20 cm, find the charge q on the sphere %3D b) Find the E-field at the surface of the sphere c) What is the flux through a spherical Gaussian surface (shown in figure) of radius r= 8 cm with it's center at the center of sphere​

a charge 3q is at the origin, and a charge −2q is on the positive x axis at x=a. part a where on the x-axis would you place a third charge so it would experience no net electric force? enter an expression for the exact answer, which will involve a square-root sign. (do not enter an approximate decimal answer.)

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the answer is f1 and d2 because if you put equal force on those two points the beam would balance trust me on this