How can scientists study the inner structure of an atom?

What is the radius of the circular path ofa charged particle in a magnetic field?

Which property of fossils allow scientists to determine the relative rock ages..

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.