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令B系与A系沿XX'轴以V匀速运动,设点P的直角坐标与极坐标关系如下: 在A系,X=CTcosa,Y=CTsina,在B系:X'=CT'cosa',Y'=CT'sina' 1、cosa'=X'/CT'=(Ux-V)/(C-VUx/C) sina'=sqrt(1-((Ux-V)/(C-VUx/C))^) 2、sina'=Y'/CT'=Uysqrt(1-VV/CC)/(C-VUx/C) 问:sqrt(1-((Ux-V)/(C-VUx/C))^)与Uysqrt(1-VV/CC)/(C-VUx/C)相等吗? |