2012 Anhui Question 15 Free-response Differentiating 2012_省自主命题(安徽) 15.一列简谐横波沿x轴正方向传播,在$t=0s$时波形如图1所示,已知波速为10m/s,则$t=0.1s$时正确的波形是图2中的ABCD 图2 Answer keyC ☆ SaveCan't do it, show the explanation查看原卷 →