Recent content by audilover

  1. A

    Isobaric System (work done by, or on?)

    Homework Statement There is a graph PxV. Pressure is obviously constant so it is a strait line and volume is from point A (1) to point B (3.5). You do not need to solve anything but it asks if work is being done on the system or by the system. Homework Equations U=Q-W The Attempt...
  2. A

    Thermal Expansion of 2 attached metals

    Homework Statement This is more of a concept that I am confused on. IF there are 2 metals, one on top of the other, and they are attached to each other and attached to a wall, and the only thing different between the two metals is the thermal expansion. When heated will the metal curve...