{UTF-8}
acceleration=
	net force/mass
	~	
	~		|

gravitational PE=
	9.8*Height*mass
	~	
	~		|

Height= INTEG (
	rate of change in height,
		(weight/spring constant)+1.5)
	~	
	~		|

kinetic energy=
	0.5*mass*(Velocity^2)
	~	
	~		|

mass=
	2
	~	
	~		|

net force=
	restoring force+weight
	~	
	~		|

Position= INTEG (
	rate of change in position,
		(weight/spring constant)-1.5)
	~	
	~		|

rate of change in height=
	rate of change in position
	~	
	~		|

rate of change in position=
	Velocity
	~	
	~		|

restoring force=
	Position*spring constant*-1
	~	
	~		|

spring constant=
	35
	~	
	~		|

spring PE=
	0.5*spring constant*(Position^2)
	~	
	~		|

total energy=
	gravitational PE+kinetic energy+spring PE
	~	
	~		|

Velocity= INTEG (
	acceleration,
		0)
	~	
	~		|

weight=
	-9.8*mass
	~	
	~		|

********************************************************
	.Control
********************************************************~
		Simulation Control Parameters
	|

FINAL TIME  = 4
	~	Second
	~	The final time for the simulation.
	|

INITIAL TIME  = 0
	~	Second
	~	The initial time for the simulation.
	|

SAVEPER  = 
        TIME STEP 
	~	Second [0,?]
	~	The frequency with which output is stored.
	|

TIME STEP  = 0.015625
	~	Second [0,?]
	~	The time step for the simulation.
	|

\\\---/// Sketch information - do not modify anything except names
V300  Do not put anything below this section - it will be ignored
*View 1
$192-192-192,0,Comic Sans MS|12||0-0-0|0-0-0|0-0-255|-1--1--1|-1--1--1|120,120,100,0
10,1,Position,363,175,52,30,3,131,0,1,0,3,0,0,255-0-0,0-0-0,|0||0-0-0
12,2,48,74,178,10,8,0,3,0,0,-1,0,0,0
1,3,5,1,4,0,0,22,0,0,0,-1--1--1,,1|(257,178)|
1,4,5,2,100,0,0,22,0,0,0,-1--1--1,,1|(137,178)|
11,5,0,197,178,6,8,34,3,0,0,1,0,0,0
10,6,rate of change in position,197,214,83,28,40,3,0,0,-1,0,0,0
10,7,Velocity,376,361,51,36,3,131,0,1,0,3,0,0,0-0-255,0-0-0,|0||0-0-0
12,8,48,75,361,10,8,0,3,0,0,-1,0,0,0
1,9,11,7,4,0,0,22,0,0,0,-1--1--1,,1|(268,361)|
1,10,11,8,100,0,0,22,0,0,0,-1--1--1,,1|(142,361)|
11,11,0,205,361,6,8,34,3,0,0,1,0,0,0
10,12,acceleration,205,384,58,15,40,3,0,2,-1,0,0,0,-1--1--1,0-0-0,|0||0-128-0
10,13,Height,767,176,60,35,3,131,0,0,0,0,0,0
12,14,48,516,180,10,8,0,3,0,0,-1,0,0,0
1,15,17,13,4,0,0,22,0,0,0,-1--1--1,,1|(664,180)|
1,16,17,14,100,0,0,22,0,0,0,-1--1--1,,1|(568,180)|
11,17,0,616,180,6,8,34,3,0,0,1,0,0,0
10,18,rate of change in height,616,216,83,28,40,3,0,0,-1,0,0,0
1,19,7,6,1,0,0,0,0,64,0,-1--1--1,,1|(273,294)|
10,20,mass,402,467,25,15,8,3,0,0,0,0,0,0
10,21,net force,146,512,46,15,8,3,0,0,0,0,0,0
10,22,weight,326,540,33,15,8,3,0,0,0,0,0,0
10,23,restoring force,442,631,77,14,8,3,0,0,0,0,0,0
10,24,spring constant,696,541,41,28,8,3,0,0,0,0,0,0
1,25,20,12,0,0,0,0,0,64,0,-1--1--1,,1|(314,430)|
1,26,21,12,0,0,0,0,0,64,0,-1--1--1,,1|(172,454)|
1,27,20,22,0,0,0,0,0,64,0,-1--1--1,,1|(369,498)|
1,28,22,21,0,0,0,0,0,64,0,-1--1--1,,1|(249,528)|
1,29,1,23,1,0,0,0,0,64,0,-1--1--1,,1|(481,411)|
1,30,23,21,1,0,0,0,0,64,0,-1--1--1,,1|(245,616)|
1,31,6,18,1,0,0,0,0,64,0,-1--1--1,,1|(432,279)|
10,32,spring PE,596,419,45,15,8,3,0,2,0,0,0,0,-1--1--1,0-0-0,|0||0-0-255
1,33,1,32,1,0,0,0,0,64,0,-1--1--1,,1|(520,283)|
1,34,24,32,0,0,0,0,0,64,0,-1--1--1,,1|(645,478)|
10,35,gravitational PE,689,323,75,14,8,3,0,2,0,0,0,0,-1--1--1,0-0-0,|0||255-0-0
10,36,kinetic energy,966,385,69,14,8,3,0,2,0,0,0,0,-1--1--1,0-0-0,|0||128-128-128
10,37,total energy,909,525,58,15,8,3,0,2,0,0,0,0,-1--1--1,0-0-0,|0||0-128-0
10,38,Velocity,1077,223,47,15,8,2,0,3,-1,0,0,0,128-128-128,0-0-0,|0||128-128-128
1,39,38,36,0,0,0,0,0,64,0,-1--1--1,,1|(1024,298)|
1,40,36,37,0,0,0,0,0,64,0,-1--1--1,,1|(940,448)|
10,41,mass,878,260,33,15,8,2,0,3,-1,0,0,0,128-128-128,0-0-0,|0||128-128-128
1,42,41,35,0,0,0,0,0,64,0,-1--1--1,,1|(794,287)|
1,43,41,36,0,0,0,0,0,64,0,-1--1--1,,1|(917,317)|
1,44,13,35,0,0,0,0,0,64,0,-1--1--1,,1|(725,253)|
1,45,35,37,0,0,0,0,0,64,0,-1--1--1,,1|(792,418)|
1,46,32,37,0,0,0,0,0,64,0,-1--1--1,,1|(745,469)|
10,47,weight,454,71,41,15,8,2,0,3,-1,0,0,0,128-128-128,0-0-0,|0||128-128-128
10,48,spring constant,685,70,45,28,8,2,0,3,-1,0,0,0,128-128-128,0-0-0,|0||128-128-128
1,49,47,13,0,0,0,0,0,64,1,-1--1--1,,1|(594,118)|
1,50,48,13,0,0,0,0,0,64,1,-1--1--1,,1|(718,114)|
1,51,47,1,0,0,0,0,0,64,1,-1--1--1,,1|(419,110)|
1,52,48,1,0,0,0,0,0,64,1,-1--1--1,,1|(534,120)|
1,53,24,23,0,0,0,0,0,64,0,-1--1--1,,1|(574,583)|
12,54,4392196,391,857,305,192,3,188,0,0,1,0,0,0
Motion
12,55,3801998,1011,853,280,191,3,188,0,0,1,0,0,0
Energy
///---\\\
:GRAPH Motion
:TITLE Motion
:SCALE
:VAR Velocity
:Y-MIN -10
:Y-MAX 10
:LINE-WIDTH 3
:SCALE
:VAR Position
:Y-MIN -2.5
:Y-MAX 2.5
:LINE-WIDTH 3
:SCALE
:VAR acceleration
:Y-MIN -30
:Y-MAX 30
:LINE-WIDTH 3

:GRAPH Energy
:TITLE Energy
:SCALE
:VAR spring PE
:Y-MIN 0
:Y-MAX 120
:LINE-WIDTH 3
:VAR gravitational PE
:LINE-WIDTH 3
:VAR total energy
:LINE-WIDTH 3
:VAR kinetic energy
:LINE-WIDTH 3
:L<%^E!@
1:Current.vdf
9:Current
22:$,Dollar,Dollars,$s
22:Hour,Hours
22:Month,Months
22:Person,People,Persons
22:Unit,Units
22:Week,Weeks
22:Year,Years
22:Day,Days
23:0
15:0,0,0,1,0,0
19:100,0
27:2,
34:0,
4:Time
5:gravitational PE
35:Date
36:YYYY-MM-DD
37:2000
38:1
39:1
40:7
41:0
24:0
25:4
26:4