一道高一物理题(曲线运动相关)题目如下:人打伞在雨中行走,当雨滴垂直在伞面上时淋雨最少,若雨滴在空中以4m/s的速度竖直下落,人打着伞以3m/s的速度向北走,则人应怎样打伞(伞柄应指
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![一道高一物理题(曲线运动相关)题目如下:人打伞在雨中行走,当雨滴垂直在伞面上时淋雨最少,若雨滴在空中以4m/s的速度竖直下落,人打着伞以3m/s的速度向北走,则人应怎样打伞(伞柄应指](/uploads/image/z/9314951-23-1.jpg?t=%E4%B8%80%E9%81%93%E9%AB%98%E4%B8%80%E7%89%A9%E7%90%86%E9%A2%98%EF%BC%88%E6%9B%B2%E7%BA%BF%E8%BF%90%E5%8A%A8%E7%9B%B8%E5%85%B3%EF%BC%89%E9%A2%98%E7%9B%AE%E5%A6%82%E4%B8%8B%EF%BC%9A%E4%BA%BA%E6%89%93%E4%BC%9E%E5%9C%A8%E9%9B%A8%E4%B8%AD%E8%A1%8C%E8%B5%B0%2C%E5%BD%93%E9%9B%A8%E6%BB%B4%E5%9E%82%E7%9B%B4%E5%9C%A8%E4%BC%9E%E9%9D%A2%E4%B8%8A%E6%97%B6%E6%B7%8B%E9%9B%A8%E6%9C%80%E5%B0%91%2C%E8%8B%A5%E9%9B%A8%E6%BB%B4%E5%9C%A8%E7%A9%BA%E4%B8%AD%E4%BB%A54m%2Fs%E7%9A%84%E9%80%9F%E5%BA%A6%E7%AB%96%E7%9B%B4%E4%B8%8B%E8%90%BD%2C%E4%BA%BA%E6%89%93%E7%9D%80%E4%BC%9E%E4%BB%A53m%2Fs%E7%9A%84%E9%80%9F%E5%BA%A6%E5%90%91%E5%8C%97%E8%B5%B0%2C%E5%88%99%E4%BA%BA%E5%BA%94%E6%80%8E%E6%A0%B7%E6%89%93%E4%BC%9E%EF%BC%88%E4%BC%9E%E6%9F%84%E5%BA%94%E6%8C%87)
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