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wyjjf

新虫 (正式写手)

[求助] 英语翻译谢谢

一个大箱子出现了破口,扔在海里,箱子进水,由于箱子内存有气体,箱子内部无法浸满海水沉没。箱子上端系绳子,当施加垂直力F时,箱子上升一段,由于F不大,箱子破口没有露出水面。缓慢减小F值,箱子回到原来的位子。假设箱子上升和下落速度是一样的。箱子上升和下降过程中,箱子中的水会排出,或海水会顺着破口进入到箱子中。英语翻译谢谢箱子上升和下降过程中,.jpg
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genhunter

至尊木虫 (著名写手)

【答案】应助回帖

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wyjjf: 金币+40, 翻译EPI+1, ★★★★★最佳答案, 非常感谢,帮了我大忙! 2016-09-09 20:36:16
Someone drops a box with a crack into the sea. Soon water starts to leak into the box. The box does not sink to the bottom instantly, because the box is filled up with water and there is an air pocket inside the box. When pulling upwards with a force F through a strand of rope tied to the top of the box, the box rises a little. However, the F is not strong enough to lift the box till the crack is above the sea level. Slowly reduces the force F, the box returns to the original place. Suppose the speed is kept constant for the upward and downward movements, answer the following question:  what will happen to water during the pulling and sinking processes? will the water empty from the box or fill in through the crack?
离成功还差一点
2楼2016-09-09 19:25:38
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genhunter

至尊木虫 (著名写手)

bottom instantly, because the box is not filled up
离成功还差一点
3楼2016-09-09 19:45:10
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