Category: Physics

What makes the Rhine River so important? The Rhine is western Europe’s most important waterway. It rises in the Alps, and passes through Switzerland, France, Germany and the Netherlands before flowing into the North sea. The river is 1,320 kilometres long, and, because it is navigable from Basel to Rotterdam, it serves as a highway […]

Which of the following is a reason photographing animals can be difficult? Answer: They are objects that are not within the control of the photographer so they can move quickly or spontaneously which make get a good and quality shot difficult. What is true about posed portraits? They look more natural. They tend to have […]

What did Darwin say about finches? Darwin noticed that fruit-eating finches had parrot-like beaks, and that finches that ate insects had narrow, prying beaks. He wrote: “One might really fancy that from an original paucity [scarcity] of birds one species had been taken and modified for different ends.” Why is Daphne Major such a good […]

What is another name for straight line motion? The linear motion, also called the Rectilinear Motion can be of two types: Uniform linear motion with constant velocity or zero acceleration. What is type of motion? In the world of mechanics, there are four basic types of motion. These four are rotary, oscillating, linear and reciprocating. […]

What is the biggest difference between the geocentric model and the heliocentric model? The geocentric model says that the earth is at the center of the cosmos or universe, and the planets, the sun and the moon, and the stars circles around it. The early heliocentric models consider the sun as the center, and the […]

Can you walk on Pluto? If you were to go off exploring Pluto’s surface, you shouldn’t expect a long trip. Pluto is only about two-thirds as wide as Earth’s moon and has about the same surface area as Russia. Additionally, its gravity is only one-fifteenth that of Earth’s, so you’d only weigh 10 lbs. Are […]

What is the law of vector algebra? Vector algebra in geometric form Two vectors u and v are equal if they have the same magnitude (length) and direction. The Negative of a Vector The negative of the vector u is written -u, and has the same magnitude but opposite direction to u. If u = […]

Can a female lion kill a male lion? “I’ve never heard of a female attacking a male.” He said there have been observations of groups of females attacking strange males if they are seen as a threat, but the females generally just wound and chase away the males, not kill them. “Extreme aggression of females […]

What are the three types of charge? In order to charge an object, one has to alter the charge balance of positive and negative charges. There are three ways to do it: friction, conduction and induction. What is the charge of MG? Table of Common Element Charges Number Element Charge 10 neon 0 11 sodium […]

How many bacteria are in 9 hours? Answer: 2,000 bacterias, because after 3 hours theyre 100 bacteria so after 6 hours there will be 800 bacterias so if its 9 hours you will have 2,00 bacterias. How many bacteria will there be after 6 hours with solution? 800 bacteria How many bacteria will be there […]