Một lon nước soda được đưa vào một máy làm lạnh chứa đá tại . Nhiệt độ của so da ở phút thứ t được tính theo định Luật Newton bởi công thức . Phải làm mát soda trong bao lâu để nhiệt độ là

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Một số câu hỏi khác có thể bạn quan tâm.

• Tự do lưu thông tiền vốn EU không bao gồm
  

• I would rather that I ___________him to my birthday party yesterday.

• Từ Niu-Iooc đến Xan Phran-xi-xcô, đi vòng qua Nam Mĩ mất 13107 hải lí, nếu đi qua kênh Pa-na-ma chỉ mất 5263 hải lí, vậy quãng đường được rút ngắn đi khoảng ( % ).
  
• Read the passage and choose the correct answer:
  Chen likes to get his news from the paper. Lemma turns on the television to find out what's going on in the world. Eve subscribes to more magazines than she can keep track of, whereas Kobi chooses to listen to radio talk shows that cover issues thoroughly to tap into what's going on in the world. All these people are touched by the media.
  What is the media? What constitutes the media? The media consists of all the ways that news and information is distributed to a mass audience. The media covers everything from hard news, which is investigative reporting to stories that are purely entertaining, such as whether your favorite movie star was on the "Best Dressed/ Worst Dressed” list. Whether in print or broadcast on TV, the stories are the product of the reporting of many journalists who write the stories, and editors who give out the assignments, assess the quality of the writing and research, and make the decisions about where and when the stories run.
  The news has immediate impact. The Internet puts global news onto the personal computer on your desk. Almost all browsers have links to up-to-the-minute news stories from various news services. You can get_s constant news updates from a variety of sources via your personal computer, providing you with the most up-to-date and in-depth coverage.
  Question. According to the writer, __________________
  

• Cycling and karate are among her hobbies.

• If I found a wallet in the street, I ________take it to police.

• Những mặt đối lập của mâu thuẫn luôn tồn tại ở đâu?

• Với thuộc , hỏi phương trình có bao nhiêu nghiệm?                         

• Hợp tác phải dựa trên yếu tố nào dưới đây?
  

• Mary would rather that she ___________the test yesterday.