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 akx( gifi 1)mjzj4 h*r5nd length L is under tension T. The speed of a wave r y.i 6w poicsgl- 6g7p pvz;z7akf-g 5uq,7q*in the string riyklzuz pfv wp6cas.g;*5-g, gq7 677opqi-is v. What will be the speed of a wave in the 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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