試題詳解

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15. A violin with string length 32 cm and string density 1.5 g/cm resonates with the first overtone from a 2.0 m long organ pipe with one end closed and the other end open. What is the tension in the string?
(A) 56 N
(B) 110 N
(C) 450 N
(D) 1000 N
(E) 1500 N.