How does an atom change if all of its electrons are removed? The atom’s volume increases. The atom’s mass increases. The atom becomes positively charged. The atom becomes negatively charged.

A12-kg bag of groceries is tossed onto a table at 4.0 m/s and slides to a stop in 2.2 s . modify the equation fδt=δ (mv) to find the force of friction.

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer