Modeling projectile motion subject to drag forces PHYS 361 Spring, 2011.

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Presentation transcript:

Modeling projectile motion subject to drag forces PHYS 361 Spring, 2011

projectile equations of motion 2-D motion subject to gravity and drag forces Separate differential equations of motion x component y component  If we want to solve for position, also... we need two more equations

Euler method x-position y-position x-velocity y-velocity first-order approximation of derivative

programming efficiencies 1. pre-define constants that get used in for/while loops 2. rename lengthy expressions that have a particular significance