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LAB Repot 8

# LAB Repot 8 - Lab 8 Collisions in Two Dimensions Monday...

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Lab 8: Collisions in Two Dimensions Monday 6:20-8:10pm Abstract In this lab, a nearly elastic collision and perfectly inelastic collision were done. Momentums in both collision are conserved, because the percentage changes of momentums are -7.67% and -11.5% only, which is not very big. In the inelastic collision, the results of energy are wrong, because the final energy is bigger than the initial energy.

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Objective The objective of this lab is to show that collision in two dimensions, as in one, the total linear momentum of the system of colliding bodies will be conserved in all cases. Procedure In this lab, there were two types of collisions. They are inelastic and elastic collisions. Two disks with the same mass and an air table were used for this experiment. A program called Logger Pro v3.7 is used to record the video of the collision and the measurement of this lab. Result Nearly elastic collision: Total momentum before collision in x-direction = 0.0269kg*m/s Total momentum before collision in y-direction = 0.0225kg*m/s Total momentum before collision = 0.0351±0.0048 kg*m/s Total momentum after collision in x-direction = 0.0248kg*m/s
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