What type of motion is described by the following equation, where θ is an angular displacement; m-lkg is the mass of the object, r 2m is the distance at which the object is held away from the center of rotation; what approximation was applied? dt nr 1.2 (7 points) what does α represent and what is its unit? assuming its magnitude is 4 in its si units) what is the period? hint: compare to spring pendulum. 1.3 (8 points) at t-0 the motion starts with the extreme angle 0o away from the equilibrium. write the mathematical form of the time dependent behavior 1.4 (6 points) what is the period if you displace the system by 20o at t-0? 1.5 (7 points) how many periods does it take to go from -0/2 to 0l2?
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