gc textbook chapter 11 Vibrations and Waves (id: 8b4996fd4)

本题目来源于试卷: gc textbook chapter 11 Vibrations and Waves，类别为 通用国际物理

[填空题]
In Problem 59, the length w;;qsfm o/,fl 6+cvr8ldf d /i5ktb b4of the string may be adjusted by moving the pulley. If/b +i8vrcd 4blt5 d6fk the hanging mass m is fixed at 0.080 kg, how many different standing wave patterns may be achieved by varying L between 10 cm and 1.5 m?   

参考答案: 4±2%


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