I'm trying to plot out the trajectory of an object in a program that is looping through the function and spitting out the x and y coordinates, but I'm having trouble. I want to see a parabola starting at 0,0 going up and ending again at x,0.(adsbygoogle = window.adsbygoogle || []).push({});

Basic question:

(units aren't critical here f/s m/s anything as long as they're all the same)

initial velocity in x = 50

initial velocity in y = 100

x coordinate:

x = v * t

x = 50 * 1

x1 = 50

y coordinate:

y = v + .5gt^2

y = 100 + -4.9

y1 = 95.1

I'm missing something here. How do I get the points along the path of the trajectory starting at 0,0 instead of starting at 0, 95.1 as the first coordinate?

Thanks,

rd42

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# Plot 2d trajectory

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