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17. Periodic Motion - 2! 2부
17. Periodic Motion / Simple Harmonic Motion of Pendulums / 문제 5
문제 5

Imagine a spherical ball named "OrbMover" suspended from a ceiling and initially hanging at a rest angle of 9.5° from the vertical. Determine the new angle that OrbMover must reach if its total potential and kinetic energy combined are to be doubled.