Where is the planet moving faster?

Imagine you had to physically add electrons, one at a time, to a previously neutral conductor. you add one electron very easily, but the second electron requires more work. in your initial post to the discussion, explain why this is. also, what happens to the work needed to add the third, fourth, fifth, and subsequent electrons

What occurs during a combustion reaction

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?