Recent content by caitie_72

  1. C

    Year 12 Sound Problem (Involves resonance in a closed pipe).

    Thank you so much! You are seriously my favourite person ever right now. Just checking, am i doing it right? L1=3v/2048 L2=v/1152 0.139 = 3v/2048 - v/1152 v = 232.9 m/s I assume so. Thanks again :)
  2. C

    Year 12 Sound Problem (Involves resonance in a closed pipe).

    Homework Statement Hi :) This question is from a test i had today. For some stupid reason we get to finish it off tomorrow. I figured i do what everyone else will, and sort out the what i didn't understand. Luckily this was it. Anyway, the question is typed from memory so it may seem a bit odd...
  3. C

    Nuclear reaction/binding energy problem? Year 11 physics, so its fairly simple.

    Homework Statement In the near future nuclear fusion reactions such as the one shown below may be used to produce electrical power. 2 4 2 H ----> He + energy 1 2 Physicists have suggested that 50 MW of energy will be...
  4. C

    Year 11 motion/vector problem?

    Homework Statement I'm really not good at motion. It just doesn't seem to come easily to me, which is kind of disapointing, because physics is my favourite subject. Question: A body of mass 5kg is moving in a north easterly direction with a velocity of 28.3 m/s. If a westerly wind acts on...
Back
Top