When a small stone is dropped into a pond of still water what happens? When that pebble is dropped in the pond, it pushes water out of the way. The water has nowhere to go but to the side and up, creating a circular peak around the drop point. This peak falls again, under the […]
Who is the father of cosmology?
Who is the father of cosmology? ACHARYA KAPIL How do Cosmologists study the universe? There are two main ways in which cosmological observations support perturbed FLRW models. First, cosmologists use matter and radiation in the universe to probe the background spacetime geometry and its evolution. What is Africa cosmology? In the framework of African cosmology, […]
How do you use a pulley to multiply forces?
Is negative free cash flow a bad sign?
Is negative free cash flow a bad sign? Although companies and investors usually want to see positive cash flow from all of a company’s operations, having negative cash flow from investing activities is not always bad. Can you have negative cash flow and positive profit? Cash flow is the net amount of cash and cash-equivalents […]
What are the similarities and differences between kinetic and potential energy?
What are the similarities and differences between kinetic and potential energy? KE is the energy possessed by an object by virtue of it being in motion. PE is the energy possessed by an object by virtue of its position. It can be transferred from one object to another and this happens during collisions. Potential Energy, […]
Can you wire a 3 pin plug with 2 wires?
What is the actual weight of molecule of water?
What is the actual weight of molecule of water? Therefore, 18g of mass of water is occupied by 6.022×1023 number of molecules. Therefore, we can calculate the mass of one molecule of water by dividing the mass of one mole of water and Avogadro number. The actual weight of a molecule of water is calculated […]
Who pollutes the most in the world?
Who pollutes the most in the world? China Is Lamb worse than beef for the environment? This blog post draws on data and research discussed in our entry on Environmental impacts of food production and CO2 and Greenhouse Gas Emissions. Beef and lamb, in particular, have much higher greenhouse gas emissions than chicken,pork, or plant-based […]