worksheet05 - Worksheet #5 - PHY102 (Spr. 2006) Solving...

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Worksheet #5 - PHY102 (Spr. 2006) Solving Equations and Diferential Equations II Due Thursday February 16th Last week you learned about the following functions which are among the most important in Mathematica: Solve - solves polynomial equations analytically NSolve - solves polynomial equations numerically FindRoot - solves all equations numerically DSolve - solves di±erential equations analytically NDSolve - solves di±erential equations numerically Once you know what these routines do and how to use them, you have a very powerful set of tools for solving problems in physics. However the hard- est part of physics is to set up the mathematical description of the problem, and that you still need to do that by hand. This worksheet is intended to help you learn some more about setting up and solving physics problems. Problem 1. (i) A ball is falling vertically through a ²uid. Apart from gravity, a drag force F d acts on the ball. The drag force opposes the motion and increases
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worksheet05 - Worksheet #5 - PHY102 (Spr. 2006) Solving...

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