gc textbook chapter 11 Vibrations and Waves (id: 6ccb9c0a2)

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]
Water waves approach an underwater “shelf” where the veloci9ftc2)l y5v qva (oij*ty ca:f 7g+lb q(+nbm 3zvjhanges from 2.8 m/s to 2.1 m/s If the incident wave +qfz :(ab+ j3blnvg7m crests make a 34$^{\circ} $ angle with the shelf, what will be the angle of refraction?    $^{\circ} $

参考答案: 25±2%


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