What can happen to an eletron in an atom when thr atom gains or loses energy

The consumption of fossil fuels could be

Along the line connecting the two charges, at what distance from the charge q1 is the total electric field from the two charges zero? express your answer in terms of some or all of the variables s, q1, q2 and k =14ï€ïµ0. if your answer is difficult to enter, consider simplifying it, as it can be made relatively simple with some work.

In a good thermo flask the main cause of heat loss is