Why do scientists not use US customary units when reporting their data?

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.

What happens when you slowly pulled the carboard?

What is offspring? why does a longer life span mean a higher chance of producing offspring?