Conservation of Energy - template.docx

Conservation of Energy - template.docx - Lab Conservation...

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Lab: Conservation of Energy Group members name: Yong Seop Shim, Tyler Deuty, Malcolm Hunter, Rebecca Palctan Group Number: 8 Class Number: 70155 Day and Time: 10/19/2015 10:00AM
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Objective: (3 points) The objective of this lab was to investigate whether or not energy is conserved in a swinging pendulum, oscillating mass on a spring, and a basketball shot. Experimental data (3 points): Experiment # 1. Slope1 ((TE/m vs time) 0.004002 ± 0.004813 J/kg/s or m 2 /s 3 Slope2 (K/m vs y) -10.18 ± 0.1057 J/kg/m or m/s 2
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Experiment # 2. Slope3 (TE vs time) -0.006000 ± 0.01250 J/s
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Experiment # 3 Slope4 (TE vs time) -0.7248 ± 0.6450 J/s Slope5 (K vs y) -5.054 ± 0.3838 J/m
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Data analysis: (10 points)
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Results: (3 points) Slope (TE/m vs time) pendulum 0.004002 ± 0.004813 J/kg/s or m 2 /s 3 Slope3 (TE vs time) mass-spring system -0.006000 ± 0.01250 J/s Slope4 (TE vs time ) basketball -0.7248 ± 0.6450 J/s Acceleration due to gravity (pendulum) 10.18 ± 0.11 m/s 2 Acceleration due to gravity (basketball) 8.2 ± 0.6 m/s 2 Discussion and Conclusion: (10 points) The purpose of this lab was to verify the law of conservation of energy in a pendulum, a spring, and a basketball shot. For part 1, the rotary motion sensory was calibrated first, then various calculated columns were created. Then, the pendulum was brought up to 40 o and released to gather data, and this procedure had to be redone if the obtained graph did not look like a sine wave. For part 2, 50g hanger and 550g weight
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