小球从离地122.5米的高处自由落下,则小球在下落开始后的连续三个2S时间内的位移大小之比是(G取10M/S^2) ( A.1;3;5 B.4;12;10C.4;12;9 D.1;8;27
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![小球从离地122.5米的高处自由落下,则小球在下落开始后的连续三个2S时间内的位移大小之比是(G取10M/S^2) ( A.1;3;5 B.4;12;10C.4;12;9 D.1;8;27](/uploads/image/z/6758061-69-1.jpg?t=%E5%B0%8F%E7%90%83%E4%BB%8E%E7%A6%BB%E5%9C%B0122.5%E7%B1%B3%E7%9A%84%E9%AB%98%E5%A4%84%E8%87%AA%E7%94%B1%E8%90%BD%E4%B8%8B%2C%E5%88%99%E5%B0%8F%E7%90%83%E5%9C%A8%E4%B8%8B%E8%90%BD%E5%BC%80%E5%A7%8B%E5%90%8E%E7%9A%84%E8%BF%9E%E7%BB%AD%E4%B8%89%E4%B8%AA2S%E6%97%B6%E9%97%B4%E5%86%85%E7%9A%84%E4%BD%8D%E7%A7%BB%E5%A4%A7%E5%B0%8F%E4%B9%8B%E6%AF%94%E6%98%AF%28G%E5%8F%9610M%2FS%5E2%29+%28+A.1%3B3%3B5+B.4%3B12%3B10C.4%3B12%3B9+D.1%3B8%3B27)
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