Is nitrogen-14 an isotope?

Is nitrogen-14 an isotope? Nitrogen-14 is one of two stable (non-radioactive) isotopes of the chemical element nitrogen, which makes about 99.636% of natural nitrogen. Nitrogen-14 is one of the very few stable nuclides with both an odd number of protons and of neutrons (seven each) and is the only one to make up a majority […]

What does tightening a string do?

What does tightening a string do? Tension refers to how tightly the string is stretched. Tightening the string gives it a higher frequency while loosening it lowers the frequency. When string players tighten or loosen their strings, they are altering the pitches to make them in tune. The density of a string will also affect […]

How do you explain combustion?

How do you explain combustion? Combustion is a chemical process in which a substance reacts rapidly with oxygen and gives off heat. The original substance is called the fuel, and the source of oxygen is called the oxidizer. The fuel can be a solid, liquid, or gas, although for airplane propulsion the fuel is usually […]

What is a formula of stress?

What is a formula of stress? The stress equation is: σ = F/A. F denotes the force acting on a body and A denotes the area. Units of stress are the same as units of pressure – Pascals (symbol: Pa) or Newtons per squared meter. Positive stress means that the object is in tension – […]

Do construction workers eat on beams?

Do construction workers eat on beams? The sight of 11 Rockefeller Center construction workers casually eating lunch across a beam hanging 850 feet in the air was a hopeful look at life in the ’30s. It showed the world that New York City—and America as a whole—was still building, still progressing, and, most importantly, still […]

Where is lead storage battery used?

Where is lead storage battery used? Lead–acid batteries are used in emergency lighting and to power sump pumps in case of power failure. Traction (propulsion) batteries are used in golf carts and other battery electric vehicles. Which cathode is used in lead storage battery? lead dioxide Why lead is used in batteries? Lead-acid batteries, also […]

Which has more energy infrared or ultraviolet?

Which has more energy infrared or ultraviolet? Ultraviolet radiation carries more energy and infrared radiation less energy than visible light. Does ultraviolet carry energy? Simply put, ultraviolet radiation (also known as UV radiation or ultraviolet rays) is a form of energy traveling through space. Some of the most frequently recognized types of energy are heat […]

Begin typing your search term above and press enter to search. Press ESC to cancel.

Back To Top