Category: Physics

Is the moon a celestial body? A moon is defined to be a celestial body that makes an orbit around a planet, including the eight major planets, dwarf planets, and minor planets. In fact, these seven moons are the largest natural satellites in the solar system, measuring more than 3,000 kilometers in diameter. What is […]

Why do they call it an inning? The term inning in baseball comes from the Old English innung — the gerund form of innian “to get within, put or bring in” — and was originally used in the sense of “a team’s turn in a game” in 1738. Why does baseball have 9 innings? In […]

How smart is a dog? Dog lovers will often extol the intelligence of their canine counterparts, and not without reason—dogs are indeed pretty smart. Man’s best friend can understand up to 250 words, interpret human emotions, and even pull off crafty tricks when trying to score a snack. Can mice kill elephants? Mice don’t scare […]

What are some common biases? Here are eight common biases affecting your decision making and what you can do to master them. Survivorship bias. Paying too much attention to successes, while glossing over failures. Confirmation bias. The IKEA effect. Anchoring bias. Overconfidence biases. Planning fallacy. Availability heuristic. Progress bias. How can you tell if someone […]

What are the different levels of organization? An organism is made up of four levels of organization: cells, tissues, organs, and organ systems. What does Kpcofgs mean? taxonomy order What is the order of cell organization? From simplest to most complex, the proper levels of organization in multicellular organisms are: Page 2 The levels of […]

What is gravitational potential energy write its formula? The change in gravitational potential energy, ΔPEg, is ΔPEg = mgh, with h being the increase in height and g the acceleration due to gravity. The gravitational potential energy of an object near Earth’s surface is due to its position in the mass-Earth system. How do you […]

What is the value of resistance R? The actual value of resistance R shown in the figure is 20Ω. This is measured is an experiment as shown using the standard formula R=VI, where V and I are the readings of the voltmeter and ammeter respectively. What is the value of resistance in an open circuit? […]

How fast is a comet in mph? Together, the nucleus and the coma form the comet’s head. When the comet is far from the sun, it travels at about 2,000 miles per hour. As it gets closer to the sun, its speed increases. It may travel at over 100,000 miles per hour! What is the […]

What is error sentence? Students commonly make three kinds of sentence structure errors: fragments, run-ons, and comma splices. 1) Fragments: Fragments are incomplete sentences. Very often, they consist of a subject without the predicate. Example: The child who has a rash. What is a syntax error in a sentence? Syntax errors are mistakes in the […]

What are the major sources of soil pollution? Various Sources of Soil Pollution Agricultural sources. Agricultural practices such as the use of non-organic products in crop and livestock production lead to soil pollution. Industrial sources. Urban waste. Sewer sludge. Mining and Smelting sources. Nuclear sources. Deforestation. Biological agents. What are the 10 causes of soil […]