有两列沿相反方向传播的相干波,其波动方程分别为y1=Acos2π(vt-χ/λ)和 y2=Acos2π(vt+χ/λ)叠加后形成驻波,其波腹位置的坐标为: (其
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...动方程分别为y1=Acos2π(vt-x/λ)和y2=Acos2π(vt+x/λ),在叠加后形成的驻波中...[95%]
...的两列相干波,其波动方程分别为y1=Acos2π(vt-x/λ)和y2=Acos2π(vt+x/λ),在叠加后形成的驻波中,各处的振幅是( )。A.A
B.2A
C.2Acos(2πx/λ)
D.∣2A...
...动方程是( )。A.y=Acos[ω(t-x/u)+π/2]
B.y=Acos[ω(t-x/u)-π/2]
C.y=Acos[ω(t-x/u)...[95%]
...的起点,则该波的波动方程是( )。A.y=Acos[ω(t-x/u)+π/2]
B.y=Acos[ω(t-x/u)-π/2]
C.y=Acos[ω(t-x/u)+π]
D.y=Acos[ω(t-x/u)-π/3]
Aco-workerusesagadgetfromtheWindowsSidebarfeatureontheircomputer.Youexamineyourcomputerand[95%]
Aco-workerusesagadgetfromtheWindowsSidebarfeatureontheircomputer.Youexamineyourcomputerand
Youarebuildingtwoforms.Eachformhasabuttonandanon-basetablefield.Whenthebuttonispressed,aco[95%]
Youarebuildingtwoforms.Eachformhasabuttonandanon-basetablefield.Whenthebuttonispressed,aco
...波动方程为:A. y = Acos(2πt/T-2πx/λ-π/2)E. y = Acos(2πt/T+2πx/λ+π/2)C. y = Acos(2πt/T...[94%]
...平面简谐波的波动方程为:
A. y = Acos(2πt/T-2πx/λ-π/2)
E. y = Acos(2πt/T+2πx/λ+π/2)
C. y = Acos(2πt/T+2πx/λ-π/2)
D. y = Acos(2πt/T-2πx/λ+...
...表达式分别为y1=2Acos2π(vt-x/2)和y2=Acos2π(vt+x/2),在叠加后形成的...[94%]
两列相干波,其表达式分别为y1=2Acos2π(vt-x/2)和y2=Acos2π(vt+x/2),在叠加后形成的合成波中,波中质元的振幅范围是( )。
...动方程分别为y1=Acos2π(vt-x/λ)和y2=Acos2π(vt+x/λ),在叠加后形成的驻波中...[94%]
沿着相反方向传播的两列相干波,其波动方程分别为y1=Acos2π(vt-x/λ)和y2=Acos2π(vt+x/λ),在叠加后形成的驻波中,各处的振幅是( )。
...波动方程分别为y1=Acos2π(vt—x/λ)和y2=Acos2π(vt+x/λ),在叠加后形成的驻...[94%]
沿着相反方向传播的两列相干波,其波动方程分别为y1=Acos2π(vt—x/λ)和y2=Acos2π(vt+x/λ),在叠加后形成的驻波中,各处的振幅是(...
...=L)的振动方程为y=Acos(ωt+φ0),则波动方程为( )。A. y=Acos{ω[t—(x—L...[94%]
一平面简谐波沿x轴正向传播,已知P点(xp=L)的振动方程为y=Acos(ωt+φ0),则波动方程为( )。A. y=Acos{ω[t—(x—L)/u]+φ0}