i need to find the initial and final kinetic energy of the system before AND after collision. for this collision the smaller object is colliding with the larger object (which is originally at rest) mass A is .3 kg and mass B is .5 kg

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Helmholtz Free Energy

The Helmholtz free energy is a thermodynamic potential used to calculate the measure of useful work from a closed system. This system is kept at constant temperature and volume. German physicist Hermann Helmholtz introduced this concept in 1882.