题目
已知一平面谐波的波动方程为Y=0.1COS(3t-6x)m, 则周期是(2π/3)s,波线上相距2m的两点间相差是12rad
已知一平面谐波的波动方程为Y=0.1COS(3t-6x)m, 则周期是(2π/3)s,波线上相距2m的两点间相差是12rad
题目解答
答案
解: ω=3s-1 T=2π/ω=2π/3(s) 2π/λ=6 λ=π/3 ,
x=6×2=12(rad)
已知一平面谐波的波动方程为Y=0.1COS(3t-6x)m, 则周期是(2π/3)s,波线上相距2m的两点间相差是12rad
解: ω=3s-1 T=2π/ω=2π/3(s) 2π/λ=6 λ=π/3 ,
x=6×2=12(rad)