2 vòi nước cùng chảy vào 1 bể cạn trong 3 giờ thì đầy bể. Nếu chỉ mở một vòi thứ nhất trong 8 giờ rồi mở tiếp vòi thứ hai cùng chảy trong 1 giờ nữa thì đầy bể. Hỏi mỗi vòi chảy 1 mình thì trong bao lâu mới đầy bể

quả bóng khối lượng 400g bay về phía khung thành với vận tốc 72km/h.Thủ môn nhanh nhẹn bắt gọn quả bóng,bóng dừng lại trên tay chỉ trong thới gian 0,08s.Tính động lương quả bóng khi bay ?

chọn một trong các đề sau : đề 1:tả 1 ca sĩ đang biểu diễn đề 2: tả 1 nghệ sĩ hài mà em yêu thích đề 3 hãy tưởng tượng 1 nhân vật trong câu chuyện em thích

Trình bày chất thơ hùng tráng trong hai câu kết Lưu biệt khi xuất dương

xét tính bị chặn của dãy số un= 2n^2+n+1/n+2

Tác hại của việc phán xét người khác theo định kiến?

Trong hội thi giao lưu học sinh giỏi cấp cụm người ta thấy cứ có 3 bạn nữ thì có 2 bạn nam. Số bạn nam kém bạn nữ là 25 bạn, Vậy số bạn nữ là: A: 25 bạn B: 50 bạn C: 75 bạn Làm hộ em với bài 1 giải ra cách làm với ạ

Viết một bà văn tiếng anh về việc ô nhiễm âm thanh, ô nhiễm nhiệt và ô nhiễm không khí Mỗi loại ô nhiễm viết viết riêng ra từng bài nha, 3 loại 3 bài á Thanks

viết chương trình tính tổng 100 số tự nhiên đầu tiên bằng câu lệnh while... do....

The people below all want to find a radio program they could enjoy listening to this week. There are descriptions of eight radio programs. Decide which program would be the most suitable for the following people. For questions 1 – 5, mark the correct letter A-H. 1. Roberta and Alice are interested in pop music. They want to listen to a live performance, and would also enjoy hearing interviews with some of the performers. 2. Paul enjoys listening to good modern drama. He works long hours during the week so he can only listen to the radio at weekends. 3. Sven teaches history and likes listening to experts talking about his subject. However, he hates shows which invite listeners to phone in. 4. Al writes poetry, and enjoys hearing other writers read their poems on the radio. He wants to have the opportunity to give his own opinions live on the programme. 5. Kim and Yannis are interested in finding out about the latest international events. They want to listen to a programme that is on every day. A. Before Our Time On Saturday, this weekly programme includes the first part of a documentary series about the discovery of the site of a 15th-century village. Professor John Frost and his team will talk about what life was like for the villagers. B. Pop Review This Saturday’s programme discusses the very latest CD releases, so there will be a great mix of music from all over the world. This week’s special report comes from Senegal. C. Good Morning This programme has regular reports on current affairs and news stories as they happen at home and abroad, plus discussions every morning about the background to world news. All this week, the programme features interviews with ordinary people around the world who talk about the recent history of their country. D. History Team This Wednesday, a local team tries to prove that people lived in the rocky hills of their area thousands of years ago. Specialist presenter Dr. Clive Sparky describes what they find. Listeners can ring in and ask him questions, and discuss their own interests and local discoveries. E. Spotlight This Thursday, writer Kate Dyer talks about the relationship between her poetry and her work as a history teacher. Kate will perform her latest poem, ‘Sunshine’. Listeners can then phone in and talk to Kate about her work. Dramatist David Fry will also talk about his latest book on historical drama from the 19th century. F. Opinion Find out about the news on this regular Wednesday morning programme, with a team of journalists discussing the major events of the week around the world. This week, the programme also visits the new National Library's collection of original documents from the world of literature, including internationally famous drama and poetry, with readings of some of the poems. G. Out and About Hear all the latest in the world of pop and rock, including a week of major concerts as they happen every evening, coming direct from Birmingham. After each concert, listeners can also hear members of the band answering questions about their music. H. Showtime This is a perfect programme for lovers of new plays, music and poetry. On Saturday, listeners have the chance to hear the prizewinning play ‘Machines'. Poet Roger Brookes will also read from his new collection ‘Rainbow’ and composer Jack Williams will play his latest piece for classical guitar.