Too much money is spent maintaining and repairing old buildings. Some people think that they should be knocked down and give way to modern buildings. To what extent do you agree or disagree? Give reasons for your answer and include any relevant examples from your own knowledge or experience. ...
aWhat a colourful candy paper! 五颜六色的糖果纸![translate] a他晚上正享受什么 He evening is enjoying any[translate] a彼女は数学にかけては天才 As for her applying in mathematics, the genius[translate] athe boss asked how much it cost per kg 上司问多少它每公斤花费[translate]...
How to calculate steel pipe weight (kg/m, or lb per foot), from pipe size of diameters and wall thickness. How to check steel pipe weight chart.
As a general rule, cats should usually drink around 2 ounces of water for every 2.2 pounds of body weight (50-60 ml per kg). In this article, we talk more about cats and their water requirements, including how long felines can survive without water and how much water they need per da...
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These 10-pound (4.5-kg) darts are 2 feet (61 cm) long, approximately 1 inch (2.5 cm) in diameter and leave the barrel of the tank's cannon traveling at over 1 mile (1.6 km) per second. The dart has so much kinetic energy and is so strong that it is able to pierce the ...
What is 2.12 kg + 1.45 kg + 3.19 kg? What is the total weight? What is the weight in Newtons of a 2,032 kg elephant (assume g = 10 m/s^2)? How much energy would a body of mass 50 kg need to provide for the following: a) Climbing a hill 500 m high. b) Walking up...
The specific heat capacity of steel is 445 J kgK. How much energy is required to raise the temperature of a 0.410 g of the kettle which contains 1.2 L of water from 20 degrees Celsius to boiling pointHow much thermal energy is req...
However, steel recycling has a major limiting factor: the content of specific tramp elements. In the present study, a dynamic material flow model for steel is used to compare available scrap with crude steel demand on a quantitative and qualitative level (tramp element content of Cu, Ni, Mo,...
Most of the synthetic, oil-based rubbers come from European manufacturers. Approximately one-third of the compound consists of filler substances. The most important of these is carbon black, which makes the tires black in color. Another important filler is oil, used as a plasticiser in the com...