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Physics Collisions 115H

# Physics Collisions 115H - initial and final x components of...

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Collisions By:   Partners:   May 4th, 2007

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Purpose: On an almost perfect frictionless air table the collision to two pucks  should adhere to the conservation of momentum.  Procedure: In the collisions lab we collided two pucks of different (although close)  masses on a vacuum table to analyze their momentums during the collision. The  vacuum table provided an almost frictionless surface. With the World in Motion  program we found the initial and final velocities. Knowing velocities and the  masses we could calculate the momentum and compare our answers to the  computer. Findings: We determined that momentum is conserved and kinetic energy is not.  Kinetic energy is lost during the collision making it an inelastic collision. The mass of puck one was 33.1 g. The mass of puck two was 33.8 g. The initial  and final x components of velocity for puck one is 0 and .613 respectively. The
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Unformatted text preview: initial and final x components of velocity for puck two is .951 and .363 respectively. The initial and final y components of velocity for puck one is 0 and .099 respectively. The initial and final y components of velocity for puck two is -.069 and -.166 respectively. The total initial calculated momentum for puck one in the px and py direction is .02291 and .00254 respectively. The total initial calculated momentum for puck two in the px and py direction is .00782 and . 00599 respectively. Opinion: This lab was a great way to see what we learned in lecture with collisions in a tangible hand on form. I am satisfied with this lab, and my group achieved all the objectives it set out for us....
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