What is meant by the term potential? What is meant by potential difference?

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?

Complete these sentences. if a roller coaster train has a potential energy of 1,500 j and a kinetic energy of 500 j as it starts to travel downhill, its total energy isj. once the roller coaster train gets closer to the bottom of the hill, its kinetic energy increases to 1,100 j, and its potential energy decreases to j. when the train reaches the bottom of the track and is traveling along the ground, its kinetic energy isj.