Physics Unit11: Vibrations and Waves (id: 83cf8b609)

本题目来源于试卷: Physics Unit11: Vibrations and Waves，类别为 通用国际物理

[单选题]
A string of mass m and length L ipxpuxl *6do6mn56n;es under ow aur5az(w4opq:q 67tension T. The speed of a wave in the string is v. What will be the speed of a wave in th war zo 7:ao54upwq6(qe string if the tension is increased to 2T?

A. $0.5 \; T$
B. $0.71 \; T$
C. $1.4 \; T$
D. $2 \; T$


参考答案:  C


本题详细解析: 暂无

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