Category: Physics

Who is the father of atom? Basic Atomic Structure. The idea that everything is made of atoms was pioneered by John Dalton (1766-1844) in a book he published in 1808. He is sometimes called the “father” of atomic theory, but judging from this photo on the right “grandfather” might be a better term. How thick […]

What is needed for an ecosystem to support the greatest variety of organisms? Answer: An ecosystem must contain producers, consumers, decomposers, and dead and inorganic matter. All ecosystems require energy from an external source – this is usually the sun. Plants need sunlight to photosynthesize and produce glucose, providing an energy source for other organisms. […]

What evidence does the fossil record provide? Fossils document the existence of now-extinct species, showing that different organisms have lived on Earth during different periods of the planet’s history. They can also help scientists reconstruct the evolutionary histories of present-day species. Why are fossils so hard to find? Fossils are rare because their formation and […]

What to do if your neighbors are loud? What you can do about your loud neighbors. Document the offenses. There are a variety of ways you can do this. Give a courtesy knock. A courtesy knock may help. Pay your neighbor a visit. And if a friendly knock doesn’t work, you can pay them a […]

What is the black thing on a guitar called? The Soundhole: Most acoustic guitars have a sound hole in the middle of the guitar, though some guitars may have the sound hole in a different spot or not have one at all. The Bridge: The black part of the guitar on the other end of […]

How do you find distance rate and time problems? The formula for distance problems is: distance = rate × time or d = r × t. Things to watch out for: Make sure that you change the units when necessary. For example, if the rate is given in miles per hour and the time is […]

Do convection heaters use a lot of electricity? Gas heaters are generally a little cheaper to run than electricity heaters. Convection gas heaters draw in the cold air and heats it up using a gas-powered element. It then evenly disperses this heat throughout the room. A convection-radiant element is similar, however the element is slightly […]

How far away is a parsec in light years? 3.26 light years What can Parallax be used to calculate quizlet? Parallax measurements work by measuring the relative change in position of stars as the earth goes around the sun. Apparent Magnitude is the star’s brightness as it appears from earth. absolute magnitude is the apparent […]

What is stream function and velocity potential? Introduction. The stream function, ,, is a function specially suited for dealing with two- dimensional flow while the velocity potential, f, is a function which may be. used with either two- or three-dimensional flow. What is unit for flow rate for gases? Because of this, meter flow rates […]

Can you go to jail for overstaying your visa? You could go to jail Going to jail for overstaying your visa is often a result of more extreme circumstances such as: Overstaying for longer than a certain time. For example, you decide to stay a full year and you were only allowed 30/60/90 days to […]