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maiv5348
2 năm trước
Bài4: Đồ thị chuyển động của một người đi bộ và một a. Hãy lập phương trình chuyển động của từng người. b Dựa trên xác định vị trí và thời điểm hai người gặp nhau.  c.Từ phương trình chuyển động đã thành lập ở câu a,tìm vị trí và        thời điểm hai người gặp nhau.So sánh kết quả tìm được ở câu a và b.
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Các câu hỏi liên quan

1. A: What (you /do) ________________? B: I (write) ________________a letter to my parents. I (write) ________________them very often. 2. A: Let’s go out. B: Look! It (snow) ________________outside. It (come) ________________down quite hard. 3. A: What time (you/ usually / start) ________________work? B: Normally we (start) ________________work at eight o’clock, but we (start) ________________at seven this week. We’re busy at the moment. 4. A: (you/ listen) ________________to the radio? B: No, you can turn it off. 5. A: I think we are going the wrong way. B: I don’t think so. The sun (rise) ________________in the east, remember. It’s behind us so we (travel) ________________west. 6. A: (you/look) ________________for someone? B: Yes, I (need) ________________to speak to Neil. Is he in? A: Yes, but I (think) ________________he’s busy. He (talk) ________________to the boss at the moment. 7. A: I (want) ________________a new computer. I (save) ________________up to buy one. B: But computers (cost) ________________so much money. What’s wrong with the one we’ve got? A: It (get) ________________out of date now. 8. A: Your new dress (look) ________________very nice. B: Thank you. The trouble is it (not/fit) __________ properly. I (not/know) ________________why I bought them, really. 9. A: What (you/do) ________________? B: I (weigh) ________________this letter. I (need) ________________to know how many stamps to put on it. 10. A: I (think) ________________this road is really dangerous. Look how fast that lorry (go) ________________. B: I (agree) ________________. People shouldn’t go so fast

11. They ______________ (play) football and basketball at school. 12. My father ______________ (read) the newspaper every morning. 13. We ______________ (have) English, Maths and Science on Monday. 14. She never ______________ (do) her homework. 15. I ______________ (go) swimming twice a week. 16. Cars ______________ (be) more expensive than motorbikes. 17. Jane always ______________ (have) breakfast at 6 o’clock. 18 He usually ______________ (watch) TV after dinner. 19. London ______________ (be) a very big country. 20. I _____________ (be) a student and my parents ___________ (be) teachers. Ex 5. Put the adverb of frequency into the correct place. Then give the correct form of verbs. 1. My brothers (sleep) on the floor. (often) ____________________________________________________________________ . 2. He (stay) up late? (sometimes) ____________________________________________________________________. 3. I (do) the housework with my brother. (always) ____________________________________________________________________. 4. Peter and Mary (come) to class on time. (never) ____________________________________________________________________. 5. Why Johnson (get) good marks? (always) ____________________________________________________________________. 6. You (go) shopping? (usually) ____________________________________________________________________. 7. She (cry). (seldom) ____________________________________________________________________. 8. My father (have) popcorn. (never) ____________________________________________________________________. Ex 3. Change these sentences into negative (phủ định) and interrogative form (câu hỏi) 1. They listen to English every day. ____________________________________________________________________. 2. She plays badminton every afternoon. ____________________________________________________________________. 3. We play volleyball every morning. ____________________________________________________________________. 4. He does homework every night. ____________________________________________________________________. 5. Mary and Peter go to work every day ____________________________________________________________________. 6. He gets up at 9.00 every morning. ____________________________________________________________________

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