please answer all of these

Physics 30 Chapter Show all your work for the following questions. Make sure to show all the formulas used and have proper significant digits to receive full marks. 1. An ion with a charge of 3.2X10 "C is placed in an electric field produced by another larger charge with a charge of 4.3X10"C. If the magnitude of the field at the lon is 1,85X10' N/C, calculate the magnitude of the electrostatic force on the lon. (2) 2. An electron and a proton are 4.65X10.i'm apart in an atom. Determine the net electric field at a point midway between the two charges. (3) 3. An electron moves between two positions and gains 5.2 eV. Determine the electric potential (3) energy gained by the electron in joules (J) and the potential difference it experiences in voltes (V)