两分振动方程为,x1=8cos(πt-2π/3),x2=5cos(πt-2π/3),则合振动方程为()
两分振动方程为,x1=8cos(πt-2π/3),x2=5cos(πt-2π/3),则合振动方程为()
A.x=13cos(πt-π/3)
B.x=3cos(πt-π/3)
C.x=3cos(πt-2π/3)
D.x=13cos(πt-2π/3)
正确答案:A
Tag:方程
时间:2023-01-06 15:30:41