Category: Physics

What measurement do you use for height? While most of the world uses the metric system to measure length, the United States still uses feet and inches (called the imperial system). To convert your height to its metric equivalent, start by calculating your height in inches only. A person who’s 5 feet, 6 inches tall […]

What is an example of wind energy? When mechanical energy enhances a unit by harnessing wind power, it may be called a windmill, wind pump or wind charger. Wind energy can be used for anything from power on boats, battery charging or electricity to being used commercially. Examples of how wind energy can be used […]

What is the important of Periscope? The periscope is an instrument for observation over, around or through the object, obstacle or condition that prevents direct line-of-sight observation from the observer’s current position, The periscope is used to monitor the dangerous chemical reactions in the laboratory and they are used in observing the nuclear … What […]

Can you leave a plasma ball on overnight? Can you leave a plasma ball on for long periods of time? For most plasma balls, this isn’t a problem and you should be able to leave them on for as long as you wish. This is typically the case with plasma balls, as they’re not at […]

Can resources be both renewable and nonrenewable? Explanation Renewable resources cannot be replaced in our lifetime. Solar power, natural gas, and wood are all nonrenewable energy sources. Both renewable and nonrenewable resources should be conserved. People use resources from Earth every day. What are the similarities of renewable and nonrenewable resources? Renewable and non-renewable resources […]

Does the scientific method have to be done in order? There are four basic steps involved with the scientific method. The usual steps include observation, hypothesis, experiment, and conclusion. The steps may not always be completed in the same order. Scientists are always free to change or write a new hypothesis and start the four […]

What is the purpose of a tennis serve? The overall objective of the serve is to land the ball into the square area on your opponent’s side that is positioned diagonally from your position. If the ball makes the landing in that area and then proceeds to go out of play, that is an easy […]

Do men like to be called baby? It can be a term of endearment, because the guy is trying to come off a bit flash (e.g. in front of his friends) or, sometimes, because he simply can’t remember names. On the other hand, guys who call you ‘baby’ tend to be in a more genuinely […]

What issues is the Department of Energy dealing with? The Energy Department is working to ensure America’s Energy Future, Scientific & Technological Leadership, Nuclear Security and to resolve the environmental legacy of the cold war. Who is in charge of the Department of Energy? United States Secretary of Energy Incumbent Jennifer Granholm since February 25, […]

What happens to the heat change in an isothermal process? The Isothermal Process In general, during an isothermal process there is a change in internal energy, heat energy, and work, even though the temperature remains the same. Something in the system works to maintain that equal temperature. Is heat transfer always zero during an isothermal […]