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相互靠拢的乒乓球
当车辆快速从身边驶过时,能明显感受到一股推力往车身方向推。到底是什么原因导致的呢?在好奇心的驱使下我决定通过生活中的小实验进行探究。 往小球中间吹气时,使得两个小球中间的气体流速变大,压强变小;而两个小球两侧的空气流速不变,压强较大 ...
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