Gọi M và m là khối lượng súng và đạn, vận tốc đạn lúc thoát khỏi nòng súng. Giả sử động lượng được bảo toàn. Vận tốc súng là

Bạn ơi giúp mình trả lời câu 2 và 3 nhà cảm ơn nhìu

Giúp mình chi tiết câu 24b với ạ

Find out and correct the 10 mistakes in the following passage. Although party invitations no longer frightened to me, I found myself making carefully preparations for this particularly party. I got a haircut, laid out my best suit, selected a special shirt, a colourful tie, and cuff-links. I had recently went on a diet, but because I didn't want I looked too thin, I discontinued it. What should I bring to my hosts? Flowers? wine? What kind of the wine? Port? Sherry? Or possibly even champagne? Meeting new people was still a major undertaking. It was schedule for this Saturday and I decided to take a cab to the suburb where it was being hold. It was early autumn and the weather was mild, but that morning it turned cold and rainy, and as I listened to the steam hissing in my radiator, it already fell like midwinter. From my newspaper, I learned that a hurricane which had already struck another state was in its way to New York, though it might veer out to sea. Complete the second sentence so that it has a similar meaning to the first sentence, using the word given. Do not change the word given. You must use between two and five words, including the word given. 1. I would love to learn different languages. keen → I ____________________________ different languages. 2. I'm sorry I was late for the meeting. apology → Please ____________________________ late for the meeting. 3. “You borrowed my watch, didn't you?” Tom's sister said. accused → Tom's sister ____________________________ her watch. 4. Most people hope they will have enough money to buy a house or a flat. afford → Most people hope they ____________________________ to buy a house or a flat. 5. I wish I had not lied to my parents. truth → If only ____________________________ to my parents.

1.Chất đc cấu tạo từ đâu 2. Hạt cấu tạo nên chất có đặc điểm gì 3. Hạt cấu tạo nên chất có kích thước như thế nào ? 4. Quan sát hạt cấu tạo nên chất bằng cách nào? 5. Tại sao các chất nhìn như liền một khối 6.Vậy giữa các nguyên tử, phân tử có đặc điểm gì?

Hãy cho biết cơ chế tạo ra tế bào chứa 2 nhân

Viết 10c những gì em biết về thời kì phong kiến Tây Âu ( k chép mạng nha)

30p = 2 cảnh báo Nay sẽ chừa cái tật comment dạo Xl nhóm, xl cj Vy Vẽ anime pùn rất nhiều

Ghi lời bài hát : Văn vở của em Thanks :))

CÓ 1 CÂU THOY MỌI NGƯỜI GIÚP MIK