?A2ky?iA3kz?0,即 A2?ikzkyA3 (9)
?4、解:如图所示,设观察者的坐标系为??,根据运动尺度缩短,x方向上,在??坐标系中,直尺的长度为:
2 l??lv2xx1?c2?lcos?1?vc2 而?y方向上,在??坐标系中,直尺的长度为:
l?y?ly?lsin? 则
tan???l?yl?x ?lsin?2?tan?lcos?1?vc21?v2c2
?y? ?y???lv?xx?
?A2ky?iA3kz?0,即 A2?ikzkyA3 (9)
?4、解:如图所示,设观察者的坐标系为??,根据运动尺度缩短,x方向上,在??坐标系中,直尺的长度为:
2 l??lv2xx1?c2?lcos?1?vc2 而?y方向上,在??坐标系中,直尺的长度为:
l?y?ly?lsin? 则
tan???l?yl?x ?lsin?2?tan?lcos?1?vc21?v2c2
?y? ?y???lv?xx?