Collision lab - Initial velocity of mass 1 Final velocity of mass 1 Initial velocity of mass 2 Final velocity of mass 2 Ratio m1/m2 1 0

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Amber Patel Collisions Purpose: To use law of conservation of energy to find the ratio of mass of two colliding objects. Procedure: To do this we are going to watch three videos of collisions of cars on air tracks. The air track has almost zero friction so friction can be neglected in our experiment. After watching the videos we used java applets to get the points of the cars with respect to time in each collision. The graphical data is then used to measure the initial and the final velocity. After finding the velocities we are going to find the ratio m1/m2 by using law of conservation of momentum. Observation: Experiment 1: The graph when two cars collide and both move in the same direction
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Experiment 2: The graph when two cars collide and one moves forward while one comes to rest. Experiment 3: The graph when two cars collide and move in opposite directions. Experimen t number
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Unformatted text preview: Initial velocity of mass 1 Final velocity of mass 1 Initial velocity of mass 2 Final velocity of mass 2 Ratio m1/m2 1 0 m/s-10.36m/s-0.25m/s-0.16m/s 0.009 2 0m/s-0.55m/s-0.28m/s 0m/s 0.5 3 0m/s-0.12m/s-0.27m/s 0.37m/s 5.3 Conclusion: By our experiment we can conclude that the greater the m1/m2 ratio is present in the collision the greater is the possibility of objects to move in opposite directions after collision. In experiment 1 it was seen that both objects went in the same direction thus their m1/m2 ratio was very small close to a 0.009. While in the case when one object comes to rest and other moves the ratio was small but not too small; it was 0.5. But in case of moving in opposite direction the ratio was greater than 1 and large; it was 5.3. This experiment shows us that the ratio of mass can help judge the movement of the two bodies after collision....
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This note was uploaded on 12/20/2011 for the course LALA 222 taught by Professor Raul during the Spring '11 term at Punjab Engineering College.

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Collision lab - Initial velocity of mass 1 Final velocity of mass 1 Initial velocity of mass 2 Final velocity of mass 2 Ratio m1/m2 1 0

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