Vật 500g chuyển động với vận tốc 4m/s khoong ma sát trên mặt phẳng nằm ngang thì va chạm vào vật thứ hai có khối lượng 300g đang đứng yên. Sau va chạm hai vật dính vào một .tìm vận tốc của hai vật sau va chạm

4. Viết lại câu 1.often/I/the/múeum/saturday/visit/ổn 2.3years /my/clied/ago/neighbor/because/accideut/got/an

b/ Trong số thập phân 182,81 giá trị của chữ số 8 ở phần nguyên gấp giá trị của chữ số 8 ở phần thập phân là: 1 lần B. 10 lần C. 100 lần D. 1000 lần

We are reading novels right now ( => BĐ) =>

. Rewrite the following sentences without changing the meaning, using the words given. (1.5 p) 1. She taught at a primary school 20 years ago. à She used ..................................................... 2. Although the weather was bad, he went to school on time. à Despite ...................................................... 3. We will plant more trees along this street.  More trees............................................................................... 4. What is the price of the bicycle?  How much…………………………………………………….. 5. The last time he saw Anna was 2 years ago.  He…………………………………… 6. My school is the same as my sister's.  My sister's school is not……………………………… 7. The film begins with a terrible disaster. It has a happy ending. (In spite of) 8. I was thirsty. I wanted a glass of water. (so)

Circle the mistake in each sentence. (1.0 p) 1. Wind power is a renewable source because it can be replaced easily and quick. 2. When Jack was in Italy, he didn’t used to stay with an Italian family. 3. The most common traffic problem in cities around the world are traffic jams. 4. Thanksgiving is traditionally celebrate with a feast among family and friends. 5. My school is going to be rebuild next month.

Chia câu chủ động sang bị động nha Ai làm nhanh mk cho 5 sao

Viết lại câu 1.It is the first time our team has won a big match.=we have never... 2.I last saw him 2 weeks ago=I haven't.... 3.I started learning English in 2000=I have.... Chia từ 1.Your brother(leave)...home for 10 years? 2.Alan(not see)...Paul at school last week. 3.Carol(bring)...her new laptop to school in this Morning? 4.my brother (can)...swim when he was four. 5.charles(prepare)...a nice dinner last evening. 6.the children (eat)...cheese sandwich 2 hours ago.

Television is one of _________ (1) inventions of human beings. Today we can find television almost everywhere ___________ (2) the world. The first television was invented in 1927 by a 21 years old inventor – Philo Taylor Farnsworth. Watching television __________ (3) both recreational and informative. There are some news programs for adults _________ (4) information. There are also tutorial channels based on specific subjects for the students. ___________ (5 ), it’s harmful to spend too much time watching television. Some shows are too violent for the children to watch because they may imitate.

Liệt kê và tính tổng tất cả các số nguyên x thoả mãn -19<x<20 Giúp em với mn