A mass and spring are arranged on a horizontal, frictionless table as shown in Figure P6.58. The spring constant is k = 410 N/m, and the mass is 4.6 kg. The block is pushed against the spring so that the spring is compressed an amount 0.43 m, and then it is released. Find the velocity of the mass when it leaves the spring.

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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.