Physical changes (2 points) are only caused through burning a material cannot be detected by the naked eye do not change the identity of the substance change the identity of a substance

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

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.

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?