某河水流速度为5m/s,一小船对静水的速度大小是4m/s 要渡过此河,船头垂直河岸行驶,已知河宽为120m,试分析计算:(1) 小船渡河能否直达正对岸 (2) 船需多少时间才能到达对岸 (3) 此船登上对岸的
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![某河水流速度为5m/s,一小船对静水的速度大小是4m/s 要渡过此河,船头垂直河岸行驶,已知河宽为120m,试分析计算:(1) 小船渡河能否直达正对岸 (2) 船需多少时间才能到达对岸 (3) 此船登上对岸的](/uploads/image/z/9324722-2-2.jpg?t=%E6%9F%90%E6%B2%B3%E6%B0%B4%E6%B5%81%E9%80%9F%E5%BA%A6%E4%B8%BA5m%2Fs%2C%E4%B8%80%E5%B0%8F%E8%88%B9%E5%AF%B9%E9%9D%99%E6%B0%B4%E7%9A%84%E9%80%9F%E5%BA%A6%E5%A4%A7%E5%B0%8F%E6%98%AF4m%2Fs+%E8%A6%81%E6%B8%A1%E8%BF%87%E6%AD%A4%E6%B2%B3%2C%E8%88%B9%E5%A4%B4%E5%9E%82%E7%9B%B4%E6%B2%B3%E5%B2%B8%E8%A1%8C%E9%A9%B6%2C%E5%B7%B2%E7%9F%A5%E6%B2%B3%E5%AE%BD%E4%B8%BA120m%2C%E8%AF%95%E5%88%86%E6%9E%90%E8%AE%A1%E7%AE%97%3A%281%29+%E5%B0%8F%E8%88%B9%E6%B8%A1%E6%B2%B3%E8%83%BD%E5%90%A6%E7%9B%B4%E8%BE%BE%E6%AD%A3%E5%AF%B9%E5%B2%B8+%282%29+%E8%88%B9%E9%9C%80%E5%A4%9A%E5%B0%91%E6%97%B6%E9%97%B4%E6%89%8D%E8%83%BD%E5%88%B0%E8%BE%BE%E5%AF%B9%E5%B2%B8+%283%29+%E6%AD%A4%E8%88%B9%E7%99%BB%E4%B8%8A%E5%AF%B9%E5%B2%B8%E7%9A%84)
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