When a 45-kg person steps on a scale in an elevator, the scale reads a steady 480 n. which of the following statements must be true?

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2

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

The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?