Category: Physics

How do you combine two vectors? The concatenation of vectors can be done by using combination function c. For example, if we have three vectors x, y, z then the concatenation of these vectors can be done as c(x,y,z). Also, we can concatenate different types of vectors at the same time using the same same […]

What is the definition of a false fact? It simply means a fact that is not true — a meaning that requires fact to refer to a proposition that might or might not be true. english defense would be valid if false fact meant the same thing as fake fact. Did Charles Darwin eat every […]

How long did 17th century plague last? Between 1563 and 1665, London experienced four plagues that each killed one fifth of the city’s inhabitants. This column uses 790,000 burial records to track the plagues that recurred across London (epidemics typically endured for six months). How long did Spanish flu last? The influenza pandemic of 1918–19, […]

What is an example of sustainable use? Renewable clean energy is probably the most obvious example of sustainability. Here are three examples. Solar energy: Once the sun’s electromagnetic radiation is captured, it produces electricity and heat. Wind Energy: Wind turbines convert the kinetic energy in the wind into mechanical power. Which is a sustainable practice? […]

What ingredient makes a cake rise? Leaveners Why is cream of tartar used in angel food cake? Cream of tartar, a byproduct of wine and grape juice processing, is an acidic salt that acts as a stabilizer in recipes that require whipped egg whites, such as meringue, angel food cake, and soufflé. The longer the […]

How many moles is 1 MgCl2 FM? 0.010502988100114 mole What is the mass of 1 mole of MgCl2? 95.211 g/mol How many atoms are in 5 moles of MgCl2? 5 moles of MgCl2 = 5.0×6.022*10²³ = 3.011*10²⁴ atoms or molecules. How many grams of aluminum are in a mole? 26.982 g How many grams are in […]

What do coefficients represent in a chemical equation? Coefficients are used in all chemical equations to show the relative amounts of each substance present. This amount can represent either the relative number of molecules, or the relative number of moles (described below). If no coefficient is shown, a one (1) is assumed. How do you […]

What color is pure iron? gray Is pig iron pure? Traditionally, pig iron was worked into wrought iron in finery forges, later puddling furnaces, and more recently, into steel. These are high purity pig irons and depending on the grade of ductile iron being produced these pig irons may be low in the elements silicon, […]

What is the weight of a body whose mass is 5 kg? What is its weight ? Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams. Thus the weight of the body is 49 newtons . What is the bigger unit of weight? Mass (weight) Units […]

What are the steps for density? The five steps for determining density can be expressed in simple form as follows: measure the mass of the container, measure the volume of the liquid, measure the combined mass of the liquid and the container, determine the mass of the liquid alone and divide the mass by the […]