On a horizontal frictionless surface, a small block with a mass 0.200kg has a collision with a block of mass 0.400kg. Immediately after the collision, the 0.200kg block is moving at 12.0m/s in the direction 30° north of east and the 0.400kg is moving at 12.6m/s in the direction 53.1° south of east. a) what is the total kinetic energy of the two blocks after the collision (in joules) b) what is the the x-component of the total momentum of the two blocks after the collision? c) what is the the y-component of the total momentum of the two blocks after the collision?

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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.