Một khẩu pháo có khối lượng M= 800kg đặt trên mặt phẳng nằm ngang bắn 1 viên đạn có khối lượng m= 20kg với vận tốc 400m/s. Tính vận tốc của khẩu pháo khi nóng súng hướng lên một góc 60 với phương ngang

Tại sao phải làm chín thực phẩm?Hãy kể tên 5 món kho trong bữa cơm hằng ngày?

Tính: -26/7 + 2/5 +8/5 + 5/7 = Cần gấp ạ :<<<< Hứa vote ạ :<

Điền dạng đúng của động từ trong ngoặc. 1. Nam and his classmates (play) _______________ soccer yesterday afternoon. 2.He (send) ____________ a letter to his pen pal last week. 3.Mrs Huong (teach) ______________ us English last year. 4. Barbara (wear) _____________ a very beautiful dress last night. 5. Lan (write) _____________ to her grandparents more often last year. 6. His father often (work) ___________ in the garden on Sunday mornings cảm ơn

Các mod và các bạn giỏi anh vào làm giúp mik với 60 điểm - Tiếng Anh 8

Ex 3:Combine these sentences by using structure (S1 + be + adjective+that+S2+V+O) 1.They were excited. Their friend had given birth to a beautiful baby. =>...................................................................................... 2.I'm quite pleased. You keep your promise. =>........................................................................................ 3.We're happy. She had a successful surgery. =>................................................................................. 4.I was shocked. She married a shorter man than her. =>.............................................................. 5.She was upset. He had left without saying goodbye. =>.......................................................................... 6.She was quite confident. Everything would go as planned. =>............................................................................... 7.He is proud. His daughter has so much talent. =>.................................................................................. 8.I'm sorry. I can't join with you. =>................................................................................ 9.I'm afraid. The tickets have been sold out. =>......................................................................... 10.He was surprised. She pretended not to recognize him. =>.........................................................................................

7/21+8/24=? rút gọn hết mức có thể và giải chi tiết

bài sử nha mọi người 1 bài 50 điểm

Write the second sentence so that it has the same meaning as the given one, using the given word in the bracket. This game show is more boring than that one. That game show => VTV3 has many educational programmes for us. There are => No one is more talkative than Phong in my class. Phong =>

Giải nốt 2 bài hình này giúp mình với