在距地面h高处以初速度v0沿水平方�抛出一个物体若忽略空气阻力它运动的轨迹如图所示那么 A.物体在c点比在a点的机械能大 b.物体在a Template




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tomski在距地面h高处以初速度v0沿水平方�抛出一个物体若忽略空气阻力它运动的轨迹如图所示那么 a.物体在c点比在a点的机械能大 b.物体在a coloring