What type of process is combustion? Combustion is a chemical process in which a substance reacts rapidly with oxygen and gives off heat. The original substance is called the fuel, and the source of oxygen is called the oxidizer. The fuel can be a solid, liquid, or gas, although for airplane propulsion the fuel is […]
What is the process by which a gas changes to a solid?
What is the process by which a gas changes to a solid? Deposition is the phase transition in which gas transforms into solid without passing through the liquid phase. The reverse of deposition is sublimation and hence sometimes deposition is called desublimation. When a liquid is changing to a gas Which of the following is […]
What is mean by free fall a ball is dropped from the roof of a building it takes 10 seconds to reach the ground find the height of the building?
Could the UK have a major earthquake?
Could the UK have a major earthquake? The British Geological Survey said: “A magnitude 4 earthquake happens in Britain roughly every two years. We experience a magnitude 5 roughly every 10–20 years. Research suggests that the largest possible earthquake in the UK is around 6.5.” What is the safest place on earth? European countries dominate […]
What is projectile motion Give 5 examples of projectile motion?
What is projectile motion Give 5 examples of projectile motion? Examples of projectile motion:-) ☆ An object dropped from an aeroplane. A bullet fired from a rifle. ☆A jet of water coming out from the side all offer vessel. ☆ Stone thrown horizontally from the top of a building. What is a projectile give its […]
Who was the first person to study psychology?
Who was the first person to study psychology? Wilhelm Wundt opened the Institute for Experimental Psychology at the University of Leipzig in Germany in 1879. This was the first laboratory dedicated to psychology, and its opening is usually thought of as the beginning of modern psychology. Indeed, Wundt is often regarded as the father of […]
What is the cost of helicopter fuel?
What is the cost of helicopter fuel? Aviation turbine fuel (ATF) price has been cut by Rs 6,812.62 per kilolitre, or 23.2 per cent, to Rs 22,544.75 per kl in the national capital, according to a price notification by state-owned oil marketing companies. Can I use jet fuel in my car? Jet fuel can actually […]
What do you mean by dimensional motion?
What do you mean by dimensional motion? In this lesson, you will learn more about motion in one dimension, meaning that an object is moving in a straight line: either forwards or backwards, up or down, left or right. An example of one-dimensional motion is the motion of the cars in the drag race video. […]
What is the main purpose of the National Electrical Code?
What is the main purpose of the National Electrical Code? The NEC (the National Fire Protection Association’s NFPA 70) is a widely-adopted model code for the installation of electrical components and systems. Its purpose is to safeguard persons and property from hazards arising from the use of electricity (NEC 90.1(A)). What are the two basic […]
What is the mass of wood?
What is the mass of wood? around 1500 kg/m3 What are 3 characteristics of wood? The main physical properties of wood include: color, luster, texture, macro-structure, odor, moisture, shrinkage, internal stresses, swelling, cracking, warping, density, sound – electro – thermal conductivity. Сolor, shine, texture and macrostructure determine the appearance of wood. Is bamboo heavier than […]