Lab Report 7.docx - Collision 1D Yong Seop Shim 70155 Group...

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Collision 1D Yong Seop Shim 70155 Group 8 10/26/2015
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Objectives The objective of this lab was to determine whether the law of conservation of energy and the law of conservation of momentum were true in different types of collisions, and to test the ratio between velocities. Experimental Data Collision 1: Perfectly inelastic collision with about equal masses Mass1 (kg) Mass 2(kg) V1 i (m/s) V2 i (m/s) V1 f (m/s) V2 f (m/s) 0.2648 0.2651 0.545 0 0.259 0.259 0.2648 0.2651 0.245 0 0.116 0.116 0.2648 0.2651 0.265 0 0.125 0.125 0.2648 0.2651 0.292 0 0.140 0.140 Collision 2: Perfectly inelastic collision with different masses Mass1 (kg) Mass 2(kg) V1 i (m/s) V2 i (m/s) V1 f (m/s) V2 f (m/s) 0.2648 0.5175 0.251 0 0.0768 0.0768 0.2648 0.5175 0.227 0 0.0671 0.0671 0.2648 0.5175 0.276 0 0.0858 0.0858 0.2648 0.5175 0.243 0 0.0722 0.0722 Collision 3: Elastic collision with about equal masses Mass1 (kg) Mass 2(kg) V1 i (m/s) V2 i (m/s) V1 f (m/s) V2 f (m/s) 0.2648 0.2651 0.288 0 0 0.277 0.2648 0.2651 0.250 0 0 0.241 0.2648 0.2651 0.318 0 0 0.301 0.2648 0.2651 0.245 0 0 0.237 Collision 4: Elastic collision with m2 > m1 Mass1 (kg) Mass 2(kg) V1 i (m/s) V2 i (m/s) V1 f (m/s) V2 f (m/s) 0.2648 0.5175 0.236 0 -0.0750 0.150 0.2648 0.5175 0.206 0 -0.0673 0.128 0.2648 0.5175 0.291 0 -0.0847 0.188 0.2648 0.5175 0.190 0 -0.0615 0.119
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Data Analysis
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Results Collision 1 Initial momentum Final momentum Initial kinetic energy Final kinetic energy 0.0773216 Ns 0.074186 Ns 0.011288954 J 0.00519302 J Collision 2 Initial momentum Final momentum Initial kinetic energy Final kinetic energy 0.064876 Ns 0.0628287 Ns 0.00794731 J 0.007445201 J Collision 1 Δ Momentum Δ Kinetic energy -4% -54% Collision 3
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