5.38 An ideal spring has the spring constant k = 440 N/m. Calculate the distance this spring must be stretched from its equilibrium position for
25 J of work to be done.

when heated, the valance electrons increased their speed and transferred the heat from electron to electron.   i just took the test.

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this