A performer seated on a trapeze is swinging back and forth, Ask an Expert

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A performer, seated on a trapeze, is swinging back and forth with aperiod of 9.50 s. If she stands up, thusraising the center of mass of the system trapeze +performer by 43.0 cm, what will be the new period of the trapeze? Treat trapeze +performer as a simple pendulum.

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