Category: Physics

Where do the majority of greenhouse gases come from? In the United States, most of the emissions of human-caused (anthropogenic) greenhouse gases (GHG) come primarily from burning fossil fuels—coal, hydrocarbon gas liquids, natural gas, and petroleum—for energy use. Which is not a greenhouse gas? Examples for greenhouse gases: Carbon dioxides, Methane, Chlorofluorocarbon, sulphur dioxide. Whereas […]

What are the two types of pure substances? The two main types of pure substances are compounds and elements. They consist of a single type of particle or compound. What are pure substances Class 9? A pure substance is a substance which has only one type of atoms or molecules thereby having a constant composition […]

Can I produce hydrogen at home? Can you generate hydrogen at home? Yes, it’s possible to generate hydrogen in a science fair kind of way by electrolysing water. A liter of water will get you about 111 grams of hydrogen if you can capture it all. A kilogram of hydrogen is the fuel cell car […]

How is the size of image related to the size of object? Ratio of the size of the image to the size of the object is known as magnification. It is given by m=v/u. What resolution is 1 MB? 16-bit (65536 colors) picture, one megabyte contains 524288 (1024 X 512) pixels. 24-bit RGB (16.7 million […]

How do you convert 230V AC to 12V DC? 230v ac to 12v dc and 5v dc Regulated Power Converter The first stage is in AC to DC is to take down the voltage as required level using a step down transformer. The second stage is the Rectifying the signal, Rectifiers are used to rectifying […]

How do you convert KN to MG? Convert Megagrams-force to Kilonewtons Assuming Earth gravity of 9.806 65 meters per second squared. 1 Mgf = 9 806.65 N. 1 Kilonewton: One Kilonewton is exactly 1 x 103 Newtons (Newton is the SI unit). What is the weight of a 10 mg mass in Kilonewtons kN )? […]

Which of the three substances has the greatest permeability? gravel Which soil composition would be the best choice for lining a landfill? Explanation: The best soil composition for lining a landfill is forty percent sand, forty percent silt and twenty percent clay. To fertile the land soil plays an important role in the growth of […]

How does dissolve work? A solution is made when one substance called the solute “dissolves” into another substance called the solvent. Dissolving is when the solute breaks up from a larger crystal of molecules into much smaller groups or individual molecules. They do this by pulling away the ions and then surrounding the salt molecules. […]

What are nice things to say about your boss? Formal messages for your boss Thank you for everything that you do! Your effort and time both mean a lot to all of us. Thank you for everything that you do for (company name), we really appreciate your hard work. Wishing you a Happy Boss Day, […]

What is a Class E Warning zone? If you are in class E from the ground up, means you are near am airport without a control tower. As for the prison, if you are caught flying within it’s territory, you will have the privilage to also look it from within it’s walls. DJI is just […]