During the winter, no outdoor workshop
brought lead parts.
How much heat to
obtain a 0.41 t lead
part if the outdoor
temperature is -18 C
º and the air
temperature in the
workshop is 21 Cº?


In what direction does the medium move relative to the direction of the wave? explain.

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 frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?