Recent content by costas

  1. C

    How Do You Calculate the Acceleration of a Board on Rolling Tubes?

    Homework Statement Plank of mass M = 8 kgr is installed on the same two tubes (very small thickness) radius R and mass m = 2 kgr. Initially the system property. A horizontal force F = 40 N applied to the board and the tubes rolled without sliding (Ic = mR^2). When the board shifted s = 2m on...
  2. C

    Problem with power and potential energy

    Homework Statement Particle mass m is moving along the x-axis. The particle is attracted to the principle axis O to measure power mk/x^2 when x>a and repels the O with measure power mka/x^3 when 0<x<a, where a,k>0 i) Find the potential energy of the particle[SIZE="1"] ii)The particle is...
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