Apainter accidentally drops a can of paint from a high scaffold. what will be the velocity of the can after 2.0 s?

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell