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一列沿x轴正方向传播的简谐横波在t=0时刻的波形如图所示,质点P的x坐标为3m.已知任意振动质点连续2次经过平衡位置的时间间隔为0.4s.下列说法正确的是( )
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高二下学期物理《》真题及答案
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如图所示实线是沿x轴传播的一列简谐横波在t=0时刻的波形图虚线是这列波在t=0.2s时刻的波形图已知
这列波的波长是14cm
这列波的周期是0.125s
这列波可能是沿x轴正方向传播的
t = 0时,x = 4cm处的质点速度沿y轴负方向
一列简谐横波沿x轴正方向传播t=0时刻的波形如图所示经0.6s质点a第一次到达波峰位置则这列波的传播
一列简谐横波沿x轴正方向传播在t=0时刻的波形如图所示已知在t=1.1s时刻质点P.出现第三次波峰那
如图所示实线是沿x轴传播的一列简谐横波在t=0时刻的波形图虚线是这列波在t=0.2s时刻的波形图已知
这列波的波长是14 cm
这列波的周期是0.125 s
这列波可能是沿x轴正方向传播的
t=0时,x=4 cm处的质点速度沿y轴负方向
一列简谐横波沿x轴正方向传播在t=0时刻的波形如图甲所示已知在t=1.1s时刻质点P.出现第三次波峰
如图所示实线为一列沿x轴正方向传播的简谐横波在t=0时刻的波形虚线是该波在t=0.20s时刻的波形则
0.16s
0.20s
0.32s
0.40s
一列沿x轴正方向传播的简谐横波t=0时刻的波形如图中实线所示t=0.2s时刻的小波形如图中的虚线所示
t=0.2 s时刻质点P.运动到了P.
+
的位置
t=0.2 s时刻质点Q.向下运动
波的频率可能为0.8Hz
波的传播速度可能为30m/s
一列简谐横波沿x轴的正方向传播在t=0时刻的波形如图所示恰好传播到x=4m处t=0.3s时质点a第一
一列简谐横波沿x轴正方向传播在t=0时刻的波形如图25所示已知在t=1.1s时刻质点P.出现第三次波
一列简谐横波沿x轴正方向传播周期为2st=0时刻的波形如图所示.该列波的波速是___▲__m/s质点
一列频率为2.5Hz的简谐横波沿x轴传播在t1=0时刻波形如图中实线所示在t2=0.7s时刻波形如图
如图所示是一列简谐横波在t1=0时刻的波形图已知这列波沿x轴正方向传播波速为20m/s试画出t2=0
一列简谐横波沿x轴正方向传播频率为5Hzt=0时刻的波形如图介质中质点
的水平坐标为8 cm,质点
的水平坐标为16 cm.则 A.t = 0时刻质点A.向上运动 B.t = 0时刻质点B.向下运动
t = 0.12s时刻质点A.的速度与t = 0时刻质点B.的速度相同
简谐横波沿x轴正方向传播的速度为2 m/s
如图所示实线为一列沿x轴正方向传播的简谐横波在t=0时刻的波形虚线是该波在t=0.20s时刻的波形则
0.16s
0.20s
0.32s
0.40s
一列频率为2.5Hz的简谐横波沿x轴传播在t1=0时刻波形如图中实线所示在t2=0.7s时刻波形如图
一列简谐横波沿x轴传播t=0时刻的波形如图甲所示此时质点P.正沿y轴负方向运动其振动图象如图乙所示则
沿x轴负方向,60 m/s
沿x轴正方向,60 m/s
沿x轴负方向,30 m/s
沿x轴正方向,30 m/s
如图所示实线是沿x轴传播的一列简谐横波在t=0时刻的波形图虚线是这列波在t=0.2s时刻的波形图已知
这列波的波长是14cm
这列波的周期是0.125s
这列波可能是沿x轴正方向传播的
t=0时,x=4cm处的质点速度沿y轴负方向
一列简谐横波沿x轴正方向传播在t=0时刻的波形如图甲所示已知在t=1.1s时刻质点P.出现第三次波峰
一列简谐横波沿x轴正方向传播t=0时刻的波形如图中实线所示质点P.的坐标为40t=0.4s时的波形如
一列简谐横波沿x轴传播t=0时刻的波形如图甲所示此时质点P.正沿y轴负方向运动其振动图象如图乙所示则
沿x轴负方向,60 m/s
沿x轴正方向,60 m/s
沿x轴负方向,30 m/s
沿x轴正方向,30 m/s
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