50 j of work was performed in 20 seconds. how much power was used to do this task?

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

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat

The particles that are found in the nucleus of an atom are