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一个小球从不同角度的斜坡上滚下去，请问斜坡角度和滚动速度的关系是什么？最好能用一条公式解释 知乎 Template






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sketch 2668 Butterfly by Loai Issa
sketch 474 waa
sketch 4264 oh yeah
sketch 2939 Eye by Kimmy Kitty Perry Priemus
sketch 2989 Little Chibi by Loai Issa
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sketch 3381 DBZ by Adidtzu Ady
sketch 2220 bahbah sexy sheep
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sketch 474 waa





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