Purpose: To construct a mathematical and graphical model of elastic energy and velocity.

Apparatus:

 

Procdure:
 Collision Cart (1)
 Spring, Large (1)
 Photo-gate (1)
 Picket Fence (1)

 Parameter(Mass of cart) Indepedent Variable (Displacement) Depedent Variable (Velocity of cart)
 1. Pull back cart
 2. Release cart
 3. Calculate Elastic energy

Purpose: To construct a mathematical and graphical model of the height of a pendulum and velocity

Appratus:
 

Procdure:
 Ball, Aluminum (1)
 Photo-gate (1)
 Pendulum string

 Parameter (Length of string) Indepedent Variable (release height) Depedent Variable (velocity)
 1. Pull back ball to approptiate height
 2. Release
 3. Record resulting velocity
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