2. Three small charged spheres are arranged in the following setup. B 9 2.2x10 \"0m 2. 10' +3, : L.) 45 Spheres A and C are of equal distance from B. 1e 2 1.60x10'190 Calculate the electric force (magnitude and direction) on B if: a) The charges on each sphere are: A=+1e, B=+2e, C=+1e. b) The charges on each sphere are: A=+22, B=+1 e, 0: -2e. 0) The charges on each sphere are: A=+2e, B=+2e, 0: -1e