Abox of groceries requires five newtons of force to lift it one meter to the counter. how many joules of work is done?
i need understanding the formula used to determine this.

Phase changes are chemical changes. true or false

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

Why should the wavelength scale of spectroscope be calibrated