Recent content by ltnghia1304

  1. ltnghia1304

    The frequency of two parallel springs and one weight system

    Yes I used the sum of moments. Actually I also haven't get the point of this problem. Just think that it will be balance like that
  2. ltnghia1304

    The frequency of two parallel springs and one weight system

    Homework Statement I want to find the angular frequency of the system below Homework Equations F = -kx U = 1/2*k*x^2 The Attempt at a Solution But here's the answer: I don't know how come this solution. Any one help me? Thank you so much.
  3. ltnghia1304

    How to find the open circuit voltage?

    Homework Statement How can we find the open circuit voltage of this one: Thank you Homework EquationsThe Attempt at a Solution