PLA - Lab 8.docx

# PLA - Lab 8.docx - ALLISONMEIHOFER PHY130 SECTION63...

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A LLISON  M EIHOFER PHY 130 S ECTION  63 11/7/17 P OST -L AB  A SSIGNMENT  (5 PTS )                       L AB  8 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. Was the percent difference between the two values of the moment of inertia reasonable (that is to say ~10%)? What aspects of the experiment contributed most significantly to the uncertainty in the measured moment of inertia, and explain how these would affect your results? The % difference we calculated for our I calc vs. I measured was 62%. Our I measured = 1.5 x 10 -2 kg*m 2 and our I calc = 7.9 x 10 -3 kg*m 2 . Unfortunately, the percent difference we calculated was large, leaving room for experimental errors. Some possible experimental errors of this experiment could be a delay when measuring the amount of time it takes for the mass to fall to the floor. This would cause the calculation for torque and moment of inertia to be inaccurate. Another possible experimental error

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• Fall '17
• ian morrison

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