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  1. H

    Tension and resonant frequency in string over two pulleys with hanging mass

    the trick is in the x and y components
  2. H

    I have a midterm test 2moro and i

    Homework Statement lim x cos x-sin x/x sin^2 x x-0 Homework Equations The Attempt at a Solution ............ no clue i just know that we should use l'hospital's rule
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