Category: Physics

How is beryllium used today? Beryllium is used as an alloying agent in producing beryllium copper, which is extensively used for springs, electrical contacts, spot-welding electrodes, and non-sparking tools. It is applied as a structural material for high-speed aircraft, missiles, spacecraft, and communication satellites. Where can you find beryllium in everyday life? Beryllium is most […]

Did Edison say I have not failed? Thomas Edison was one of the most successful innovators in American history. In response to a question about his missteps, Edison once said, “I have not failed 10,000 times—I’ve successfully found 10,000 ways that will not work.” Have not failed 10000 times I have not failed once I […]

What color flag means sharks? purple flag What does 2 red flags mean at Myrtle Beach? water is closed Is taking sand from Myrtle Beach illegal? Taking sand from the beach is ILLEGAL! It is a misdemeanor, with up to a $500 fine and/or 30 days in jail. How dangerous is South Myrtle Beach? According […]

What is heating by convection? Heat convection is a mode of heat transfer by the mass motion of a fluid such as air. Heat convection occurs to the surface of an object where the surrounding fluid of object is heated and moved energy away from the source of heat. What are the similarities of conduction […]

For what reason would a theory be changed or replaced? A useful theory that has been tested and supported may become a dominant view among the majority of scientists. However, science is always changing. As new evidence is uncovered, a theory may be revised or replaced by a more useful explanation. Can a theory be […]

How does conductivity depend on temperature? The conductivity invariably increases with increasing temperature, opposite to metals but similar to graphite. It is affected by the nature of the ions, and by viscosity of the water. In low ionic concentrations (very pure water), the ionization of the water furnishes an appreciable part of the conducting ions. […]

Is your power greater when you run or walk up a flight of stairs? When you run up the stairs you are working much faster. While running up the stairs you have a higher power than when you walk up the stairs. You can see that the power was much higher while running the stairs […]

What causes the geological activity seen on some of the inner moons of Jupiter quizlet? What causes the geological activity seen on some of the inner moons of Jupiter? Tidal friction as a result of being so close Jupiter heats their interiors. Which of the Galilean moons is the largest? What is special about Saturn’s […]

Is a family an open or closed system? Family Systems… If a family is permeable and vague boundaries it is considered “open.” Open boundary systems allows elements and situations outside the family to influence it. It may even welcome external influences. Closed boundary systems isolate its members from the environment and seems isolated and self-contained. […]

What does light mean? Light is one of the most universal and fundamental symbols. It is the spiritual and the divine, it is illumination and intelligence. Light is the source of goodness and the ultimate reality, and it accompanies transcendence into the Nirvana of Buddhist doctrine. What does light mean in life? It may mean […]