Energy and its Conservation

Energy and its Conservation problem 92

Calculate the change in internal energy for the following substances:

  • Wood to which we bring of heat.

  • A processed metal log. A metal part is then welded to the log, whereby the log receives of heat doing a work of .

  • We observed the water in a glass. The mass of the water is . We add ice to the water, which cools the water by .

    The specific heat capacity of water is .


material editor: Joanah Frank