Drawing Projectile Motion

 import numpy as np

import matplotlib.pylab as plot

import matplotlib.pyplot as plt

import math as m

v = 10

g = 9.8

theta = np.arange(m.pi/6, m.pi/3, m.pi/36)

t = np.linspace(0, 5, num=100) 

for i in theta: 

    x1 = []

    y1 = []

    for k in t:

        x = ((v*k)*np.cos(i)) 

        y = ((v*k)*np.sin(i))-((0.5*g)*(k**2))

        x1.append(x)

        y1.append(y)

    p = [i for i, j in enumerate(y1) if j < 0]                         

    for i in sorted(p, reverse = True):

        del x1[i]

        del y1[i]

    plot.plot(x1, y1) 

plt.title("Projectile Motion")

plot.show()