If a 2kg object is falling at 3 m/s at what rate is gravity working on the object

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

How can waves travel through ground?

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.