某行星绕太阳运动的椭圆轨道如图所示,则下列说法中正确的是 A.该行星在a点速度最大,在b点速度最小 B.该行星在a点速度最大,在c点速度 Template




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tomski某行星绕太阳运动的椭圆轨道如图所示,则下列说法中正确的是 a.该行星在a点速度最大,在b点速度最小 b.该行星在a点速度最大,在c点速度 coloring