I have two charges of +4 x 10-5 C. If they are 0.5 m apart, what is the electric force between them?

The momentum of an isolated system is conserved a) only in inelastic collisions. b) only in elastic collisions. c) in both elastic and inelastic collisions

Astudent looks at ocean waves coming into the beach. an ocean wave with more energy will a) have a greater height. b) have a greater period. c) travel toward the beach faster. d) strike the beach with greater frequency.

Which statement best explains why the overall charge on an atom is zero?