2023 Fujian Question 2 Single-choice Differentiating 2023_省自主命题(福建) 2. 一简谐横波在$t = 0$时刻的波形图如图所示,该简谐波沿x轴正方向传播,周期$T = 2.5s$,质点P的横 坐标$x =8m$,则( ) A. 简谐波的波长为15mB. 简谐波的波速是8m/sC. 简谐波的振幅为0.5mD. $t = 0$时,P向<sup>y</sup>轴负方向运动 Answer keyB ☆ SaveCan't do it, show the explanation查看原卷 →