3. many ancient greeks thought
was the center
of the universe.

What object a collides with object b and bounces back its final momentum is?

The air that we breath is made mostly of which gaseous molecule

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.