một con lắc đơn có chữ kì 4s khi nó đạo động ở một nơi trên trái đất. Tính chu kỳ của con lắc này khi ta đưa nó lên mặt trăng, biết rằng gia tốc trọng trường của mặt trăng bằng 60% gia tốc trọng trường trên trái đất.

Tính bằng cách thuận tiện nhất: 32,6 x 13 – 3,26 x 4 x 10 + 16 : 0,5 + 0,6

vẽ như trong hình nha có kí + ful màu

giai giup mk vs, mik dang can nhung mik ko giai dc mac du mik nghi mn se giai dc

write a short paragraph about (cham) po klong garai tower

Giải giúp mình với. Cảm ơn các bạn

cho hình thoi ABCD . trên cạnh AD lấy điểm M , trên cạnh DC lấy điểm N sao cho AM=CN . a, ΔBMN là tam giác j ? why ? b, Chứng minh BD vuông góc vs MN Giúp mik nhaaaaaa vote 5 sao cảm ơn nx

Giúp em với. Em đang cần gấp !!!!!!!

11. John ( drive ) . . . . . . . . .. . . . that car ever since I ( know ) . . . . . . . . .. . . . him.

COMPARATIVE CLAUSES 1. Jane dances the most beautifully  No one 2. Peter writes more carefully than I  I 3. Tim runs faster than I  I 4. No one in the family is more sympathetic than Laura  Laura 5. Mary swims farther than her friends  Mary’s 6. We don’t study English so badly as Mai  Mai 7. My mother is the busiest in my family  Nobody 8. I didn’t swim so fast as Jane  Jane 9. Mary is a harder student than I  I 10. Bob is the most intelligent student in our class  Nobody *VERB FORM: 1. People (know) how to dye even before they knew how to read and write 2. Tom was disappointed that most of the guests (leave) when he (arrive) at the party 3. I’m sure I (see) her four years ago 4. By 11 o’clock yesterday, we (arrive) at the airport 5. By 7am tomorrow, I (finish) all my work 6. Tom cleans the floor while his mother (cook) dinner. 7. They (return) to their native village after they (sell) their house in the city last month. 7. We (lose) her phone number, which makes it difficult (contact) her 8. By the time he (leave), his classmates (leave) 9. As he (drive) on a highway yesterday, he (meet) a terrible accident. 10. You can know the condition of this car only after you (use) it.