Use the following information to answers parts a–d. Show all your work. A baseball is batted from a height of 1.09 m with a speed of 39.7 m/s at an initial angle of 17.8˚ above the horizontal. a Calculate the horizontal and vertical components of the ball’s initial velocity. b What is the maximum height above the ground reached by the ball? Assume a level baseball field. c How far off course would the ball be carried after 2.00 s if there was a 4.0 m/s crosswind? d What is the ball’s velocity after 2.00 s if there is no crosswind?

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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.