import numpy as np
from scipy.integrate import odeint
import matplotlib.pyplot as plt
c=0.65
g=9.81 # gravitational force on earth
angle=50 # angle at which projectile is launched
m=0.1
#returning dx/dt, dy/dt, dv/dt as an array
def model(yaf,t):
x=yaf[0] # x position is first element of yaf...