Category: Physics

How does the shockwave of an explosion kill? Blast Effects Most damage comes from the explosive blast. The shock wave of air radiates outward, producing sudden changes in air pressure that can crush objects, and high winds that can knock objects down. For the most part, a nuclear blast kills people by indirect means rather […]

What is the moral of the story Frankenstein? One message conveyed by Frankenstein is the danger that lies with considering the negative consequences of science and technology after-the-fact, instead of before. What is the overall message of Frankenstein? Shelley’s most pressing and obvious message is that science and technology can go to far. The ending […]

What are 2 examples of mechanical waves? A sound wave is an example of a mechanical wave. Sound waves are incapable of traveling through a vacuum. Slinky waves, water waves, stadium waves, and jump rope waves are other examples of mechanical waves; each requires some medium in order to exist. Who discovered scalar waves? Heinrich […]

Is White Fang a dog or wolf? White Fang, the novel’s protagonist; a wolfdog who was born wild but becomes more dog-like after Gray Beaver domesticates him. He gets bullied by Lip-lip and was forced to become a fighting dog when he was bought by Beauty Smith. Is White Fang a sequel to Call of […]

Which measures of center and spread would you use for this distribution? When it is skewed right or left with high or low outliers then the median is better to use to find the center. The best measure of spread when the median is the center is the IQR. As for when the center is […]

What are 3 physical properties of nickel? Properties Of Nickel Nickel is silvery-white, hard, malleable, and ductile metal. It is a good conductor of heat and electricity. It is bivalent, that is it has a valency of two. The metal dissolves slowly in dilute acids. It’s melting point is 1453 °C and boiling point is […]

How does gradient change discharge? While gradient decreases between a stream’s headwaters and mouth, discharge increases. Gradient and discharge determine the velocity of a stream. What is a stream profile? A stream profile is a cross-section view of a stream from its headwaters to its mouth. What is the relationship between urbanization and water supply? […]

How do you read fat content on nutrition labels? If a food has these fats, the amount will be listed on the label under total fat. They are measured in grams. Look for foods that have no trans fats or are low in them (1 gram or less). Are Food Labels Misleading? Manufacturers are often […]

What frequency makes you smarter? The highest frequency brain waves are apparently called gamma waves. These waves can have a frequency of anywhere between 25 and 100 Hz. People whose brains produce more gamma waves are said to have greater ability to concentrate, focus and experience higher levels of cognition. Will reading increase IQ? It […]

What happens if you get caught climbing the pyramids? According to Ahram Online, an Egyptian newspaper, Egypt’s parliament made it illegal last year for anyone to climb “any antiquity without obtaining a license.” The penalty for doing so can be up to a month in jail and/or a fine ranging from 10,000 to 100,000 Egyptian […]