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Video Física
"Newton's law of cooling states that a hot object will transfer its heat to a cooler object faster depending on how cold that object is. Stated mathematically, it says that the rate of change of the h ...
Video Física
"Valence electrons are the outer electrons that are involved in bonding. Only electrons in the s and p orbitals are valance electrons, so a given atom can have between 0 and 7 valance electrons. Atoms ...
"The Newton's Third Law of Motion states that for every action there is an equal and opposite reaction. Simply put, it means that every force can be undone. Mathematically, it means that for every vec ...
Video Biología
"The citric acid cycle, also known as the Krebs cycle, is involved in cell respiration and produces NADH and FADH2 for the electron transport chain. The Krebs cycle also produces two ATP, but much mor ...
Video Matemáticas
"Knowing the properties of a kite will help when solving problems with missing sides and angles. Kite properties include (1) two pairs of consecutive, congruent sides, (2) congruent non-vertex angles ...
"Using the standard formula for the area of a triangle, we can derive a formula for using sine to calculate the area of a triangle. Using sine to calculate the area of a triangle means that we can fin ...
"A keystone species is a species which maintains the balance and diversity of its community. Often keystone species are predators which check the population of other species that might otherwise beco ...
"In Geometry, it is important to know how tomeasure an angle. Using a protractor helps us determine the angle measurement so we can label it as acute, right or obtuse. Every protractor is a little bit ...
Video Física
"A unit system is composed of the variants upon one standard scientific unit of measurement. The metric system, for example, contains a basic unit, meters (m), as well as numerous variants including k ...
Video Matemáticas
"Two column proofs are organized into statement and reason columns. Each statement must be justified in the reason column. Before beginning a two column proof, start by working backwards from the "pro ...
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