According to Coulomb's law, rank the interactions between charged particles from highest potential energy to lowest potential energy. Rank from highest to lowest potential energy. To rank items as equivalent, overlap them.1. 1+ charge and 1- charge seperated by 200pm2. 1+ charge and 1+ charge seperated by 100pm3. 1+ charge and 1- charge seperated by 100pm4. 2+ charge and 1- charge seperated by 100pm

Which of the following is part of the explanation or description of electromagnetic waves? (select all that apply) a. electrically charged molecules in a medium transfer their energy to nearby electrically charged molecules. b. a changing electric field causes a changing magnetic field. c. magnetic molecules in a medium transfer their energy to nearby magnetic molecules. d. a changing magnetic field causes a changing electric field.