做自由落体运动的物体,下落的高度与时间成正比是错的,下落的高度与时间的平方成正比,不是一样吗? 知乎 Template




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tomski做自由落体运动的物体,下落的高度与时间成正比是错的,下落的高度与时间的平方成正比,不是一样吗? 知乎 coloring