Heat flow occurs between two bodies in thermal contact. which property determines the direction of heat flow?

Astone is thrown into a pond. what happens to the amplitude of the resulting waves as they get farther from the point where the stone hit the water? explain.

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

Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost