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Required information In an acoustics experiment, a piano string with a mass of 4.81 g and a length of 69.9 cm is held under

Required information In an acoustics experiment, a piano string with a mass of 4.81 g and a length of 69.9 cm is held under tension by running the string over a frictionless pulley and hanging a 249-kg weight from it. The whole system is placed in an elevator. What is the fundamental frequency of oscillation for the string when the elevator is at rest?

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