Giải giúp mình với ạ mình đang cần gấp

ai đi ngang qua giải giúp em công nghệ 10 với ạ em cảm ơn

Một cần cẩu làm việc với công suất 2,5kW trong thời gian 15 giây để nâng một vật chuyển động đều lên cao 10m. a) Tính công cần cẩu đã thực hiện? b) Tính tổng lượng của vật?

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Làm hộ ạ , ai lm nhanh + đúng + đầy đủ = Ctlhn + cảm ơn + vote ạ.

Làm cho mik câu 7 mik đg cần gấp

Viết thủ tục trong Logo: Yêu cầu: Màu vẽ là màu đỏ, độ dài cạnh là 100 nét vẽ là 5

The Statue of Liberty, one of America’s most familiar images, is on an island in New York Harbour. It is a symbol of freedom. Its formal name is Liberty Enlightening the World. It was a gift to American people from the French to show the friendship between the two nations. This is the statue of a woman who iswearing a loose robe and a crown on her head. Her right hand holds a burning torch, and her left hand holdsa tablet with the date July 4, 1776 on it. The statue weighs 205 tons and is 40 m high. It stands on a stoneand concrete base. The base and pedestal increase the height of the monument to 93. The outside is made ofcopper. Inside , it has an iron frame. The statue was completed in 1884 in France, and then transported toAmerica in 1886. Tourists can visit the statue from 9.30 a. m. to 5 p. m. daily except Christmas Day. *Answer T or F 1. The Statue of Liberty is a symbol of freedom 2. She holds a burning torch on her left hand 3. The base and the pedestal are 53 meters high 4. The statue was prensented to America people in 1884 *Answer the questions 1. By whom was the Statue of Liberty made? 2. When was the statue completed?

Giải giúp e câu này với mọi người

Giải các phương trình sau a, 3x - 1 - 5 ( x + 2 ) = x - 4 b, ( 5x - 2 ) ( 3 - 2x ) = 4x2 -- 9 c, 1/x+2 - 3/x-2 = 4x + 10/x2 -- 4