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  1. M

    Can someone please help with this notation? vectors

    Homework Statement I'm sure this is quite simple, but I don't understand the notation. This is from a supplemental book that we have to do outside of class--there isn't a matching textbook and I really don't understand what they want here. Homework Equations I noticed that if i square...
  2. M

    Cummulative blocks on a rope, tension problem

    This isn't a joke, I really don't know if this is right or wrong. Please let me know if this is wrong so I can learn what I am not getting right. Homework Statement Three different sets of boxes are being pulled along frictionless surfaces attached to a rope that ends with the rightmost box...