Why can it be said that the energy from burning fossil fuels ultimately comes from the sun?

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.

If forces acting on an object are unbalanced. true or false

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?