台球桌水平边长为a, 竖直边长为b, 现一台球从台球桌中心一一定的速度和一定的角度出发, 经过与水平边的m次碰撞, 与竖直边的n次碰撞, 回到出发点.
求证台球的路程
s = sqrt((b*m)^2 + (a*n)^2);
最好是能配个图帮忙解释下。。。(-_-)ゞ゛
求证台球的路程
s = sqrt((b*m)^2 + (a*n)^2);
最好是能配个图帮忙解释下。。。(-_-)ゞ゛
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