Recent content by Cantique

What is the work done on a paramagnetic? I have seen both of the following: \hat{d}w = -MdB \hat{d}w = -BdM Where B is magnetic field and M is magnetisation Am I missing something here or are these two completely opposite? My textbook says that -MdB is the work done but I am sure I...

Homework Statement Assume that all particles are non-relativistic, that the target X is initially at rest, and that x has kinetic energy Tx in the laboratory frame. Show that the total kinetic energy of the reactants in the centre-of-mass frame is given by T* = μTx/mx, where mx is the...