依题意:
2*sin(p)=根号2
=〉p=45度,即π/4;
2*sin(w*3π/8+π/4)=0
则w*3π/8+π/4=0或
w*3π/8+π/4=2π
=〉
w=-2/3(舍弃,.w>0,)
或 w = 14/3;
故A·w·p=2*14/3*π/4=7π/3
依题意:
2*sin(p)=根号2
=〉p=45度,即π/4;
2*sin(w*3π/8+π/4)=0
则w*3π/8+π/4=0或
w*3π/8+π/4=2π
=〉
w=-2/3(舍弃,.w>0,)
或 w = 14/3;
故A·w·p=2*14/3*π/4=7π/3