from visual import *

mass1=sphere(pos=(0.0,2.0,0.0),radius=2.5,color=(10,0,30))
mass2=curve(radius=2.5,color=(5,1,30))
mass1.mass=10 
mass1.velocity=vector(25,0,0)
mass1.acceleration=vector(0,(-9.8),0)
autoscale=0 #this turns off auto scaling!
scene.range=(50,50,50) #gives the property range to the scene object
dt=0.1

#loop for 5 seconds:
t=0 #start at time 0
while t<5:
    rate(10) #slows animation by 1/arg seconds
    mass1.pos=mass1.pos+mass1.velocity*dt+0.5*mass1.acceleration*t*t
    mass2.append(pos=mass1.pos)
    t=t+dt