14_P55InstructorSolution - 14.55. Model: Assume that the...

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14.55. Model: Assume that the angle with the vertical that the pendulum makes is small enough so that there is simple harmonic motion. Solve: The angle θ made by the string with the vertical as a function of time is ( ) ( ) max 0 cos tt θω φ =+ The pendulum starts from maximum displacement, thus 0 0. = Thus, ( ) max cos . = To find the time t when the pendulum reaches 4.0 ° on the opposite side: () ( ) ( ) 1 4.0 8.0 cos cos
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This note was uploaded on 12/10/2011 for the course PHYS 1211 taught by Professor Geller during the Fall '09 term at UGA.

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