Thursday, May 18, 2017

quantum mechanics - What is the smallest length scale ever measured?


And, by the way, what is, or are, the measured values?




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classical mechanics - Moment of a force about a given axis (Torque) - Scalar or vectorial?

I am studying Statics and saw that: The moment of a force about a given axis (or Torque) is defined by the equation: $M_X = (\vec r \times \...