Is 700 calories too little? Eating 700 calories a day should only be done under the guidance of a medical professional. Your body needs more than 1200 calories a day; consuming 700 is an extreme calorie restriction. Despite being a very low-calorie diet, the 700 diet works. If done correctly, it leads to weight loss […]
Can the hills get bigger as you move through the track or must they get smaller?
Can the hills get bigger as you move through the track or must they get smaller? In most roller coasters, the hills decrease in height as the train moves along the track. This is necessary because the total energy reservoir built up in the lift hill is gradually lost to friction between the train and […]
Can you mix baking soda and vinegar to clean?
Can you mix baking soda and vinegar to clean? Baking soda and vinegar’s cleaning and deodorizing properties work wonders in the wash. Add ½ cup of baking soda in with your detergent to help boost its cleaning power. One cup of vinegar poured in during the rinse cycle will help kill bacteria in the load […]
What are the two types of light?
What are the two types of light? There are two basic types of light sources: Incandescence and Luminescence. What is light and what are its properties? Light is electromagnetic radiation that has properties of waves. The electromagnetic spectrum can be divided into several bands based on the wavelength. As we have discussed before, visible light […]
Which is better single or double action revolver?
Which is better single or double action revolver? A single action revolver has a light and smooth trigger pull, as it only needs to drop the hammer. This allows for more accurate shooting. A double action revolver has a heavier, longer trigger pull, which can be detrimental to accuracy. Are Glocks double or single action? […]
Why are j and q not on the periodic table?
Is reacting a chemical property?
Is reacting a chemical property? Summary. Chemical properties are properties that can be measured or observed only when matter undergoes a change to become an entirely different kind of matter. They include reactivity, flammability, and the ability to rust. Reactivity is the ability of matter to react chemically with other substances. Is reacts with oxygen […]
What does ∆ T represent?
What does ∆ T represent? ∆ is a symbol meaning “the change in” ∆T = change in temperature (Kelvins, K) How do you find the temperature change of a calorimeter? The heat gained by the calorimeter, q cal, is determined from the formula, qcal = Ccal×Δt, where Δt is the change in temperature undergone by […]
What is a scalar and what is a vector?
What is a scalar and what is a vector? A quantity which does not depend on direction is called a scalar quantity. Vector quantities have two characteristics, a magnitude and a direction. Scalar quantities have only a magnitude. When comparing two vector quantities of the same type, you have to compare both the magnitude and […]
Why green energy is bad?
Why green energy is bad? The bioenergy feedstock and the way it is harvested can negatively impact land use along with global warming emissions. For example, human and animal waste used to power engines may cut down on carbon emissions, but increase harmful methane emission. How do you get green power? There are two main […]