What is the Centre of pressure on an aerofoil? Center of Pressure The center of pressure is the point where the total sum of a pressure field acts on a body. In aerospace, this is the point on the airfoil (or wing) where the resultant vector (of lift and drag) acts. What happens to the […]
What happens when a solid turns into a liquid?
What happens when a solid turns into a liquid? When a solid is heated the particles gain energy and start to vibrate faster and faster. Although the particles are still loosely connected they are able to move around. At this point the solid is melting to form a liquid. The particles in the liquid are […]
What is a different source of water?
What is a different source of water? 3.1 Types of water source. In Study Session 1 you were introduced to the three main sources of water: groundwater, surface water and rainwater. In arid regions where seawater is accessible (such as in the Middle East), desalination (the removal of salts from water) is used to generate […]
What is the biggest disaster in history?
What is the biggest disaster in history? Ten deadliest natural disasters by highest estimated death toll excluding epidemics and famines Rank Death toll (Highest estimate) Event 1. 4,000,000 1931 China floods 2. 2,000,000 1887 Yellow River flood 3. 830,000 1556 Shaanxi earthquake 4. 655,000 1976 Tangshan earthquake How do we reduce disaster risk? Reducing exposure […]
What is the relationship between the kidneys and the liver?
What is the relationship between the kidneys and the liver? Generally speaking, the liver and kidney are key organs for regulation of homeostasis and metabolism in the body: the liver is the major player for metabolism of glucose (energy), protein, and lipid, and kidney is that for homeostasis of water, electrolytes, and acid-base balance. What […]
How does the eye respond to bright light?
How does the eye respond to bright light? In bright light, it contracts. Light detected by the retina of your eye is converted to nerve impulses that travel down the optic nerve. Some of these nerve impulses go from the optic nerve to the muscles that control the size of the pupil. More light creates […]
What is the relationship between rolling static and sliding friction?
What is the relationship between rolling static and sliding friction? Static, sliding, and rolling friction occur between solid surfaces. Static friction is strongest, followed by sliding friction, and then rolling friction, which is weakest. Fluid friction occurs in fluids, which are liquids or gases. What is the cause of friction What is the difference between […]
What is lithium-7 used for?
What is lithium-7 used for? Li-7 is used to control the pH level of the coolant in the primary water circuit of pressurized water reactors. Li-7 is also used for the production of the medical research radioisotope Be-7. Li-6 is used in thermonuclear weapons and the export and use of Li-6 is therefore strictly controlled. […]
Which object experiences the greatest acceleration?
Which object experiences the greatest acceleration? Car A Which vehicle experiences the greater change in acceleration? (c) Mass and acceleration are inversely proportional to each other. Therefore, car experiences greater acceleration due to its smaller mass. (d) Due to its smaller mass or opposition to the force exerted on it, the car is likely to […]
What is similar to cloth?
What is similar to cloth? other words for cloth cotton. goods. material. stuff. bolt. weave. dry goods. yard goods. What is the word for making cloth? A person who makes tailor-made women’s clothes. dressmaker. modiste. seamstress. tailor. What is another name for cotton fabric? In this page you can discover 46 synonyms, antonyms, idiomatic expressions, […]