問題詳情
29. A transverse wave traveling along a string transports energy at a rate r. If we want to double thisrate, we could
(A) increase the amplitude of the wave by a factor of 8.
(B) increase the amplitude of the wave by a factor of 4.
(C) increase the amplitude of the wave by a factor of 2.
(D) increase the amplitude by a factor of √2.
(E) increase the amplitude by a factor of √8.
參考答案
答案：D
難度：計算中-1
書單：沒有書單，新增