如图所示将一篮球从地面上方b点斜�上抛出刚好垂直击中篮板上a点不计空气阻力.若抛射点b�篮板方�移动一小段距离仍使抛出的篮球垂直击中a Template




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tomski如图所示将一篮球从地面上方b点斜�上抛出刚好垂直击中篮板上a点不计空气阻力.若抛射点b�篮板方�移动一小段距离仍使抛出的篮球垂直击中a coloring