Recent content by notorious big

  1. N

    Fine temperature of equal masses of hot tea and ice after melting

    For the second part... why won't it work. Temp rise is 0, and Temp drop is 65, correct? If so... my answer isn't right. :confused:
  2. N

    What Temperature Must the Air Inside a Hot-Air Balloon Reach for Adequate Lift?

    Thanks for the reply Dan. I've been trying for hours to figure out what your explanation means, but I can't figure out how to find the weight of the air inside or outside of the baloon.
  3. N

    What Temperature Must the Air Inside a Hot-Air Balloon Reach for Adequate Lift?

    I'm confused as to what equation I need to use for the following problem: A hot-air balloon achieves its buoyant lift by heating the air inside the balloon, which makes it less dense than the air outside. Suppose the volume of a balloon is 1820 m3 and the required lift is 2983 N (weight of...
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