PLA - Lab 9.docx

# PLA - Lab 9.docx - ALLISONMEIHOFER PHYSICS13063...

• Lab Report
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A LLISON  M EIHOFER P HYSICS  130 – 63 D R . T IANREN  C HEN 11/14/17 P OST -L AB  A SSIGNMENT  (5 PTS )                       L AB  9 Directions: Please answer the follow questions, and type your answers. Staple this to the Lab Exercise for the lab, and hand it in at the beginning of your next lab meeting. 1. Consider the fractional or relative uncertainty ( δ k/k) for the rubber band and the spring, and discuss what the values imply. (Include a statement about whether the rubber band and/or spring obey Hooke’s Law).   You can also describe the plots and the fits of the data in your argument. For this experiment we calculated “k” for a spring and a rubber band. For the spring, we found k sp = 9.5 N/m and the δ k sp = 0.1 N/m. For the rubber band we found k rb = 10 N/m and the δ k rb = 1 N/m. The rubber band has a relatively high uncertainty. This implies that the k rb was not constant for the most part. This allows us to conclude that the rubber band

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• Fall '17
• ian morrison

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