Recent content by sdcmma

  1. S

    Faraday's Law vs. V = vBl for determing potential difference of a conducting rod

    Homework Statement A rod rotates clockwise about a point as pivot with the constant frequency 5 rev/s. Find the potential difference between its two ends, which are 80 cm apart, due to the magnetic field B = 0.3T directed into the page. Homework Equations There are two methods to find...
  2. S

    Horizontal Forces exerted by door hinges

    Got it, thanks for your help!
  3. S

    Horizontal Forces exerted by door hinges

    Homework Statement A door of width 1.00 m and height 2.30 m weighs 272 N and is supported by two hinges, one 0.40 m from the top and the other 0.40 m from the bottom. Each hinge supports half the total weight of the door. Homework Equations Torque = rFsin(theta) The Attempt at a Solution I...
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