First Robotics

Trajectory and interactive plot for a large, light ball

This year’s FIRST FRC challenge involves moving around a large ball. The trajectory will not be a simple parabola as in the case for motion in a gravitational field in a vacuum, because drag will play a sizable roll. I used standard equations of motion which take into account drag to offer up this interactive trajectory plotter.


Trajectory and interactive plotter of a large, light ball

Look, the physics hasn’t changed since the challenge of a couple years ago when the motion of smaller, heavier foam balls was the challenge. Drag is drag. So I really didn’t have much to do at all but to recognize that I could liberally steal from my previous effort: Deluscious foam ball trajectory

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