Recent content by WoIfgang

  1. W

    Refrigerator- thermodynamics: how do i start?

    Hi, solved it using the coefficient of performance.
  2. W

    Refrigerator- thermodynamics: how do i start?

    Homework Statement Newton’s Law of Cooling. A building is maintained at temperature TH with a reversible heat pump operating between the building and a colder environment at temperature TC < TH. The heat pump consumes electrical power at a constant rate W. The building also loses heat...
  3. W

    What are the most intriguing topics in physics?

    I'm currently an undergraduate physics major, and I must say there are a lot of interesting threads in here. Cheers9