There are two scenarios presented: Two objects move toward each other and then repel. Two objects move toward each other and then attract. Which statement is true about these scenarios

Two identical small charged spheres are a certain distance apart, and each one initially experiences an electrostatic force of magnitude f due to the other. with time, charge gradually leaks off of both spheres. when each of the spheres has lost half its initial charge, the magnitude of the electrostatic force will be

The movement of electrons between atoms is called an

Your friend increases her force on the desk by 30n . she doesn't change the direction of her push . what happens to the net force on the desk .will the desk accelerate