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  1. Learn LaTeX for Math Equations - Physics Forums

    If a superscript or subscript has more than one character, enclose them in braces { }. This is a general rule for LaTeX commands, by the way: if they are to act on multiple characters, …

  2. Simple Pulley Problem: Energy Methods and Coefficient of Friction ...

    Apr 12, 2011 · Homework Statement In Fig. 9.2, two blocks, of masses 2 kg and 3 kg, are connected by a light string that passes over a pulley of moment of inertia 0.004 kgm^2 and …

  3. What Are Tensors and Why Are They Used in Relativity?

    Jan 11, 2023 · These tensors are represented by a matrix, which, in 2 dimensions, would be a 2×2 matrix. Now, we must use 2 subscripts, the first representing the row and the second …

  4. 2.1.2 Find the general solution of y'−2y=t^{2}e^{2t} - Physics Forums

    Aug 20, 2021 · Find the general solution of $y'−2y=t^ {2}e^ {2t}$ and use it to determine how solutions behave as $t \to \infty$ ok presume the first thing to do is to find...

  5. Nuclear u-235 and u-238 isotope half life question - Physics Forums

    Apr 20, 2012 · The discussion revolves around calculating the U-235/U-238 isotopic ratio from 2 billion years ago, when the Oklo natural reactor was active. The current isotopic ratio is …

  6. Subscripts and superscripts in four vectors - Physics Forums

    Feb 3, 2015 · Homework Statement I'm having trouble with understanding four vectors in particle physics. I'm reading this wikipedia...

  7. Fixing Subscript and Superscript with $\\Sigma$ - Physics Forums

    May 31, 2013 · Hi folks, Could someone please tell me how I can clean this up, $\\Sigma_{k=0}^\\infty$ placing sub-script and super-script directly below and above $\\Sigma$ …

  8. Matrix to the Power of T: Solving for AT in A= [2 4 6 8]

    Dec 9, 2012 · Homework Statement If A= [2 4 6 8] find AT Homework Equations The Attempt at a Solution Would I simply distribute the T across the matrix...

  9. What do superscripts and subscripts in statistical notation mean?

    Aug 12, 2008 · I have studied a measurement 2 (+0.9 error (written in superscript) and -0.1 error (written in subscript)) in a book that gives statistical value of...

  10. What are S, L and J for the following states....? - Physics Forums

    Apr 18, 2016 · Homework Statement What are S, L and J for the following states: ##^1S_0, ^2D_{5/2} ^5F_1, ^3F_4## Homework Equations The superscript is defined as: 2S + 1 The …