PHYS 101 Pre-Lab #2

# PHYS 101 Pre-Lab #2 - PHYS 101-20 Lab#2 Conservation of...

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9/26/07 PHYS 101-20 Lab #2 – Conservation of Energy (Ballistic Pendulum) Objective : To come to the understanding that energy can change forms, but the sum of all these forms must remain constant unless energy is added or removed from the system. The Law of Conservation of Energy is one of the fundamental principles in physics because it states that no energy can be created or destroyed within a system when no energy is added or taken away. Though energy can be changed to kinetic energy, potential energy, heat, light or sound, the sum of the energy in the system remains the same. The momentum in a system also remains the same after an interaction, or collision, with two objects, because total energy must be conserved, whether it is an elastic or inelastic collision. Regardless of whether the objects stick together and move as one object after a collision, or both objects move in different directions after a collision, they both display conservation of momentum. 1)

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## This note was uploaded on 04/30/2008 for the course PHYS 101 taught by Professor 1 during the Spring '08 term at Tulane.

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PHYS 101 Pre-Lab #2 - PHYS 101-20 Lab#2 Conservation of...

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