Một vật được ném thẳng đứng tại mặt đất với vận tốc ban đầu 10m/s. Lấy m = 5kg. a. Xác định cơ năng của vật tại vị trí ném vật. b. Xác định độ cao cức đại c. Xác định vị trí để động năng bằng 3 lần thế năng. d. Xác định vận tốc khi động năng bằng ba lần thế năng.

anh chị , bn nào giúp em ý e , g , h , i bài 1 với ạ , em cảm ơn

một nền nhà hình chữ nhật có chiều dài 20 m và chiều rộng bằng 1/4 chiều dài. Người ta muốn lát gạch hình vuông cạnh 4dm lên nền nhà đó, nên đã mua gạch với tổng số tiền là 46 tháng 75000 đồng. Hỏi giá của một viên gạch là bao nhiêu

LADY GAGA Lady Gaga’s real name is Stefani Joanne Angelina Germanotta. She was born on March 28, 1986. She is an American singer-songwriter and she has become one of the most famous celebrities in music for her songs, her performance, her fashion and her politics. She became famous in 2008. Two years later, she was included in Time Magazine’s list of 100 most influential people in the world. Lady Gaga learned to play the piano when she was four years old and she was singing in public by the time she was 14. She went to a New York art college at the age of 17. She concentrated on songwriting and singing in New York clubs. After her first album The Fame in 2008, she went into the most successful period in her career. The singles “Just Dance” and “Poker Face” became international hits. The album reached number one on the record charts in six countries. Her second album Born This Way (2011) also obtain particular success. 1. What is the date of birth of Lady Gaga? 2. What does Lady Gaga do? 3. what is Lady Gaga famous for? 4. When was Lady Gaga included in Time Magazine’s list of 100 most influential people in the world? 5. What did Lady Gaga study when she was four? 6. When did Lady Gaga study at art college? 7. What is the name of Lady Gaga’s first album? 8. What are some famous singles of Lady Gaga?

đốt cháy 3g chất hữu cơ X thu được 6 6g co2 và 3 6g H2O .xác đinh ctdg X

giải hộ mk câu 1 vơi mk cần cách làm

yếu tố ảnh hưởng trong việc bảo quản cá ướp muối và cá khô là gì nhanh mọi ng ơi

1. People speak this language in the world. ( speak-spoke-spoken)  This language __________________________________________ 2. People spoke this language in the world a long time ago.  This language __________________________________________ 3. People have spoken this language in the world for a long time.  This language __________________________________________ 4. People will speak this language in the world.  This language __________________________________________ 5. People can speak this language in the world.  This language __________________________________________ 6. People used to speak this language in the world.  This language __________________________________________ 7. People are going to speak this language in the world.  This language __________________________________________ 8. People could speak this language in the world.  This language __________________________________________ 9. People should speak this language in the world.  This language __________________________________________ 10. People have to speak this language in the world.  This language __________________________________________

I. Complete each sentence with a passive verb. 1.They will finish our new house at the end of the month. Our new house ................................................. at the end of the month. 2.They’ve elected a new president. A new president ................................................. 3.They’re rebuilding the damaged stadium. The damaged stadium ................................................. 4.Students write most of this magazine. Most of this magazine ................................................. by students. 5.A burglar stole my laptop. My laptop ................................................. by a burglar. II. Rewrite the first sentence as a news report using present simple + passive + infinitive. 0. Lots of people believe the criminal is living abroad. The criminal ...is believed to be living abroad... 22. Economists suppose that inflation will fall next year. Inflation .................................................................. next year. 23. Everyone expects that Arsenal will win the League. Arsenal .................................................................. the League. 24. People think the Government is planning a new airport. The Government .................................................................. a new airport. 25. They say he is making a new movie about the Civil War. He .................................................................. a new movie about the Civil War. 26. Journalists report that the Finance Minister disagrees with the President. The Finance Minister .................................................................. with the President.

7) ? P + ? → P2O5 8) ? Na + ? → Na2O 9) CaO + ?HNO3 → Ca(NO3)2 +? 10) Fe(OH)3 → ? + 3H2O 11) ? + ?AgNO3 → Al(NO3)3 + 3Ag 12) Al(OH)3 → ? + 3H2O