#Exer. 5.9 from "A primer on..."


import numpy as np
import matplotlib.pyplot as plt

v0 = 10
g = 9.81
t_stop = 2*v0/g

t = np.linspace(0,t_stop,101)
y = v0*t - 0.5*g*t**2

plt.plot(t,y)
plt.title('Ball plot 1')
plt.xlabel('time (s)')
plt.ylabel('height (m)')

plt.show()


"""
Terminal> python plot_ball1.py
output is a plot
"""