user-avatar
daothixuannguyet25052001
2 năm trước
Một vật có khối lượng 2,5kg đc thả rơi tự do xuống mặt đất. Tính độ biến thiên động lượng trong các trường hợp sau Th1 trong 0,5s đầu tiên Th2 trong 2 s đầu Giúp mình nha mình đang cần gấp đáp án
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

I. Combine these sentences, using relative pronouns. 1. Alice is my friend. Alice’s mother died last year. 2.The boy will be punished. He threw that stone. 3. Ann is very friendly. She lives next door. 4.The man is a famous actor. You met him at the party last night. 5.There are some words. They are very difficult to translate. 6.I was looking for a book this morning. I’ve found it now. 7.Is that the car? You want to buy it. 8.Sandra works in advertising. You were talking to her. 9.The little girl ate sweets the whole way. She sat next to me on the coach. 10.Lan is a journalist. Her tape recorder was stolen. 11.I don’t know the name of the woman. I spoke to her on the phone. 12. We often go to visit our friends in Bristol. It’s only 30 miles away. 13. This is Mr Carter. I was telling you about him. 14. That is the room. The meeting is held in that room. 15. I’ll always remember the day. I first saw that sight on that day. 16.She was born in Malaysia. Rubber trees grow well there. 17.No one knows the school. My uncle taught at that school 10 years ago. 18. Please ask them the time. The train stared the trip at that time. 19. New Year’s Day is a day. All family members gather and enjoy a family dinner then. 20. There are many hotels. Tourists can enjoy their holidays there. 21.India is a country.The earthquake occured in this country last month. 22. Bac giang is a city. I was born and grew up there. 23. We have not decided the day. We’ll go to London on that day. 24. The man made me sad the most. I love him with all my heart. 25.The thief was caught. This was a really good news. 26. The gentleman was very young. He was introduced as the most successful businessman. 27. His book became the best seller.It was punished last year. 28. Neil Armstrong lived in the USA. He walked on the moon. 29. Nam is very intelligent. He learns in our class. 30. Ha Long has grown into a big city over the past few years. I visited the city last year. II. Supply these verbs in correct tenses. (Chia động từ trong ngoặc). 1.She wishes her father ( be) here now to help her 2.I wish they ( visit) us when they were in town. 3.I wish someone ( give) me a job next month. 4.If only I ( can take) the trip to Hanoi with her next summer. 5.I wish they ( know) the truth yesterday. 6.I wish I (see) that film on TV again. 7.We wish she (be) our teacher of English. 8.My brother wishes he (not waste) time when he was young. 9.They wish they (come) to class on time yesterday morning. 10. I wish I ( spend) my last summer vacation in the mountains. 11.I wish she (come) to see me yesterday. 12.If only I ( have) more time to do this job. 13.He missed an exciting football match on TV last night. He wishes he ( watch ) it. 14.I wish you ( not give ) them my phone number yesterday. 15.We wish we ( understand) all the teacher’s explanation yesterday.

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team