What is the relationship between si units and cgs unit of work ?

The consumption of fossil fuels could be

What is the momentum of a 2 kg object moving at 15 meters per second

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.