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Physics Lab 4

# Physics Lab 4 - Sean Larson ID 21792768 Physics/1/07...

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Sean Larson ID# 21792768 Physics Section 12 11/1/07 Experiment 4: Conservation of Momentum Introduction: The main purpose of this lab is to prove Newton’s Second Law, also known as conservation of momentum, p=MV where V is the velocity and M is the mass. With this procedure there are going to be two types of collisions, elastic and inelastic. An elastic collision is when the total momentum and the total kinetic energy is conserved. An inelastic collision the kinetic energy is lost. Procedure: Just like in Experiment 3, we are going to be using the air track apparatus with two photogates. The only differences are that, there are two masses on separate gliders and the photogates are used differently. Photogate 1 determines V 0 , the speed of M 1 before the collision. Photogate 2 determines V 2 , the speed of M 2 after the collision. M 1 is placed in front of photogate 1 and M 2 is placed in the middle of the two photogates. ΔX is the width of the card on the glider, 5cm. Once the gliders are set at the correct points, take M

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