An object of mass 8 kg has speed 30 m/s and is traveling in a direction that is 17 degrees W of N.  It collides with an object of mass 9 kg, which has speed 44 m/s and is traveling in a direction that is 29 degrees S of E.  The two have a completely inelastic collision.  What is their final speed, in m/s? (Please answer to the fourth decimal place - i.e 14.3225)

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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.