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Physics Experiment#9

# Physics Experiment#9 - Randy Brackins Experiment#8 Date of...

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Randy Brackins Experiment #8 Date of Experiment: 11/06/09 Date of Submission: 11/13/09 Experiment # 9 Moment of Inertia Purpose: The objective of this experiment is to find the moment of inertia of a disk and a ring experimentally and to become familiar with the concepts of angular velocity, angular acceleration and torque, and to verify experimental values that correspond to the calculated theoretical values. Apparatus: Rotational Apparatus, Disk, Ring, Caliper, Meter Stick, Weight, Balance, Computer, Pulley, Data Studio. Method: Using Data Studio and Rotational apparatus lower weight attached to string and pulley system calculate the mean acceleration of the moment by timing the change in distance from top to bottom.

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Data: DATA ORGANIZATION SHEET EXP. MOMENT of INERTIA mass of disk M = 1.475 (kg) radius R = 0.114 (m) mass of ring M = 1.205kg) inner radius R 1 = .054(m) outer radius R 2 = .063(m) hanging mass m = 0.1 (kg) radius of the drum r = 0.015 (m) 1. Theoretical Value :I disk = 1 2 MR 2 =0.009 (kgm 2 ) I ring = 1 2 M(R 1 2 + R 2 2 ) = 0.0035(kgm 2 )
2. Measured Value:

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