一道物理竞赛题北京观象台每天四次放出气象探空气球.气球所载仪器及球皮的总质量为2.7千克,球内所充气体为氢气,已知氢气球的密度为0.09千克/米3,空气的密度为1.29千克/米3.为使这样
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 03:37:58
![一道物理竞赛题北京观象台每天四次放出气象探空气球.气球所载仪器及球皮的总质量为2.7千克,球内所充气体为氢气,已知氢气球的密度为0.09千克/米3,空气的密度为1.29千克/米3.为使这样](/uploads/image/z/10853544-48-4.jpg?t=%E4%B8%80%E9%81%93%E7%89%A9%E7%90%86%E7%AB%9E%E8%B5%9B%E9%A2%98%E5%8C%97%E4%BA%AC%E8%A7%82%E8%B1%A1%E5%8F%B0%E6%AF%8F%E5%A4%A9%E5%9B%9B%E6%AC%A1%E6%94%BE%E5%87%BA%E6%B0%94%E8%B1%A1%E6%8E%A2%E7%A9%BA%E6%B0%94%E7%90%83.%E6%B0%94%E7%90%83%E6%89%80%E8%BD%BD%E4%BB%AA%E5%99%A8%E5%8F%8A%E7%90%83%E7%9A%AE%E7%9A%84%E6%80%BB%E8%B4%A8%E9%87%8F%E4%B8%BA2%EF%BC%8E7%E5%8D%83%E5%85%8B%2C%E7%90%83%E5%86%85%E6%89%80%E5%85%85%E6%B0%94%E4%BD%93%E4%B8%BA%E6%B0%A2%E6%B0%94%2C%E5%B7%B2%E7%9F%A5%E6%B0%A2%E6%B0%94%E7%90%83%E7%9A%84%E5%AF%86%E5%BA%A6%E4%B8%BA0%EF%BC%8E09%E5%8D%83%E5%85%8B%EF%BC%8F%E7%B1%B33%2C%E7%A9%BA%E6%B0%94%E7%9A%84%E5%AF%86%E5%BA%A6%E4%B8%BA1.29%E5%8D%83%E5%85%8B%EF%BC%8F%E7%B1%B33.%E4%B8%BA%E4%BD%BF%E8%BF%99%E6%A0%B7)
xrP_%0L`Y߀3at ZHQJQb[#xCseW&0pɹ;ٔ;Rg]wNeYk}:o٠ EP&1'2qTZt'/qwߣDf#[A9w
X]P( uvQ@hM>DE'>ʠU!rOH5"6]gʦ5m(xs|owq:5S+~cx)̴2R֛