A metal ball with speed v and mass m collides head-on with another ball which was initially at rest but has twice the mass. If the energy lost in this process is m*v^2 /3 what type of collision occurred? completely inelastic inelastic partially elastic none among the choices perfectly elastic

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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.