Timmy leaves home and drives 685 meters north on I-285. He realizes he forgot his laptop and makes a U-turn to go back home. After picking up his laptop he drives 1220
meters north on I-285 to his school. What is Timmy's distance and displacement?

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