Table 1: Angular Momentum Collision Data (Length of rod, L=1m) Mass of rod, M (kg) Mass of ball, m (kg) Initial Final angular Final angular Percent error velocity, w (rad/s) [calculation] 1.59175 1.48312151 1.30661052 Velocity, v (m/s) velocity, w (rad/s) [simulation] 1.9099 (%) 3.1835 4 2.5471 2.3 3.3 1.7229 2.0688 3 3.5 1.4893 0.603 0.9252 1.56 2.5 0.51363416 Calculations:
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- Star Trillian-2009 was initially observed by astronomers to spin with a period of 25 days, and was computed to have a rotational inertia of 23.81 IARIU (International Astronomical Rotational Inertia Units). It then undergoes a change, and the new rotational inertia is calculated to be a third of the original value. What is the new rotational period of the star?How can angular velocity be determined by angular displacement?Not sure how to start this problem. Could I begin this problem by finding angular velocity with the rotations and time; using this to find the velocity?
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