Recent content by JackA7X

  1. J

    Can You Calculate Room Temperature Increase With Given Heat Output and Airflow?

    So I have a bulb with heat output Q W. Room volume of V m^3 Air output of F m^3/s Air intake temp T Deg. Is it possible to calculate the temp increase of the room? Would you need more information?
  2. J

    Current in superconductors when a voltage is applied.

    Thank you, very helpful.
  3. J

    Current in superconductors when a voltage is applied.

    So if we assume the internal resistance is 1.5Ω how do you calculate the current through the superconductor?
  4. J

    Finding max force at bottom of a 2.8m decline swinging on a vine?

    Greatest force is at the largest acceleration. F=ma a=\frac{V^2}{r} F=\frac{mV^2}{r} ∴ Greatest acceleration is at the greatest velocity. You will need both ##P.E=mgh## and ##K.E=\frac{1}{2}mV^2## ##P.E## to find the energy gained and you will need to rearrange ##K.E## to find the...
  5. J

    Current in superconductors when a voltage is applied.

    Suppose you a have superconducting loop connected to a 9V battery. What is the current through it? With a resistance of 0Ω, V = IR gives ∞. I don't think that can be right... If it were, V=\frac{I}{nAe} would give an infinite velocity... Does that equation even apply to superconductors?
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