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mee.xinhgai
2 năm trước
Mik cần giải bài này chi tiết dễ hiểu đầy đủ các bước mong mn giúp ạ Thả vật rơi tự do từ độ cao 45m so với mặt đất lấy g=10m/s² bỏ qua sức cản không khí a, tính V của vật khi chạm đất b,tính độ cao của vật khi Wđ=2Wt c, khi chạm đất do đất mềm nên vật bị lún sâu 10cm.tính lực cản trung bình tác dụng lên vật biết m=100g
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Read the following passage and then answer the questions below. In Vietnam, there are two terms in a school year. They are the first term and the second term. At the end of each term, we usually have final exams. The school year starts in late August and ends in May. A school day is about four hours long. We go to school from Monday to Saturday. We never go to school on Sundays. On this weekend, we often play some sports such as soccer, badminton, or volleyball. Sometimes we help our parents with the housework. Answer: 24. How many terms are there in a school year in Vietnam?  There are__________________ in a school year in Vietnam. 25. What are they?  They are: the___________________________. 26. What do they often do at the end of each term?  They usually have_____________________. 27. How long is a school day?  It is about ________________ long. 28. Do they go to school on Sundays?  No, _________________. 29. What sports do they often play on the weekend?  They often play soccer, ___________________________. Give a suitable preposition to each sentence. 30. Mai goes to school _________bike every day. 31. Nam has bread _________breakfast. Give the correct form of the words in brackets. 32. They ________________ in the school yard now. (play) 33. Nam is_________ than Minh. (tall) 34. She often_________ sailing in the fall. (go) Rewrite the following sentences as directed. 35. What sport do you like?  What is your __________________sport? 36. No one in my class is taller than Nam.  Nam is the __________________in my class.

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