69 relations: Algebra, Ampere, Basal metabolic rate, British thermal unit, Calorie, Centimetre–gram–second system of units, Chemical energy, Coulomb, Cross product, Dimensional analysis, Dot product, Earth, Electric charge, Electric current, Electrical resistance and conductance, Electronvolt, Energy, Energy in the United States, Erg, Euclidean vector, European Space Agency, Force, General Conference on Weights and Measures, Heat, Hurricane Irma, International Bureau of Weights and Measures, International Space Station, International System of Units, James Prescott Joule, Kilogram, Kilowatt hour, Kinetic energy, Large Hadron Collider, Light-emitting diode, Little Boy, Los Alamos National Laboratory, Mass, Mass–energy equivalence, Mechanics, Metre, Moment magnitude scale, Moment of inertia, Newton (unit), Newton metre, Ohm, Orders of magnitude (energy), Pascal (unit), Petroleum, Planck energy, Power (physics), ..., Radian, Radiant exposure, Scalar (physics), Second, SI base unit, SI derived unit, Sun, Thermochemistry, TNT equivalent, Tonne, Torque, Tsar Bomba, Volt, Voltage, Watt, Watt second, Work (physics), World energy consumption, 2011 Tōhoku earthquake and tsunami. Expand index (19 more) » « Shrink index
Algebra (from Arabic "al-jabr", literally meaning "reunion of broken parts") is one of the broad parts of mathematics, together with number theory, geometry and analysis.
The ampere (symbol: A), often shortened to "amp",SI supports only the use of symbols and deprecates the use of abbreviations for units.
Basal metabolic rate (BMR) is the rate of energy expenditure per unit time by endothermic animals at rest.
The British thermal unit (Btu or BTU) is a traditional unit of heat; it is defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit.
A calorie is a unit of energy.
The centimetre–gram–second system of units (abbreviated CGS or cgs) is a variant of the metric system based on the centimetre as the unit of length, the gram as the unit of mass, and the second as the unit of time.
In chemistry, chemical energy is the potential of a chemical substance to undergo a transformation through a chemical reaction to transform other chemical substances.
The coulomb (symbol: C) is the International System of Units (SI) unit of electric charge.
In mathematics and vector algebra, the cross product or vector product (occasionally directed area product to emphasize the geometric significance) is a binary operation on two vectors in three-dimensional space \left(\mathbb^3\right) and is denoted by the symbol \times.
In engineering and science, dimensional analysis is the analysis of the relationships between different physical quantities by identifying their base quantities (such as length, mass, time, and electric charge) and units of measure (such as miles vs. kilometers, or pounds vs. kilograms) and tracking these dimensions as calculations or comparisons are performed.
In mathematics, the dot product or scalar productThe term scalar product is often also used more generally to mean a symmetric bilinear form, for example for a pseudo-Euclidean space.
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field.
An electric current is a flow of electric charge.
The electrical resistance of an electrical conductor is a measure of the difficulty to pass an electric current through that conductor.
In physics, the electronvolt (symbol eV, also written electron-volt and electron volt) is a unit of energy equal to approximately joules (symbol J).
In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object.
The United States was the second-largest energy consumer in 2010 (after China) considering total use.
The erg is a unit of energy and work equal to 10−7 joules.
In mathematics, physics, and engineering, a Euclidean vector (sometimes called a geometric or spatial vector, or—as here—simply a vector) is a geometric object that has magnitude (or length) and direction.
The European Space Agency (ESA; Agence spatiale européenne, ASE; Europäische Weltraumorganisation) is an intergovernmental organisation of 22 member states dedicated to the exploration of space.
In physics, a force is any interaction that, when unopposed, will change the motion of an object.
The General Conference on Weights and Measures (Conférence générale des poids et mesures – CGPM) is the supreme authority of the International Bureau of Weights and Measures (Bureau international des poids et mesures – BIPM), the inter-governmental organization established in 1875 under the terms of the Metre Convention (Convention du Mètre) through which Member States act together on matters related to measurement science and measurement standards.
In thermodynamics, heat is energy transferred from one system to another as a result of thermal interactions.
Hurricane Irma was an extremely powerful and catastrophic Cape Verde hurricane, the strongest observed in the Atlantic in terms of maximum sustained winds since Wilma, and the strongest storm on record to exist in the open Atlantic region.
The International Bureau of Weights and Measures (Bureau international des poids et mesures) is an intergovernmental organization established by the Metre Convention, through which Member States act together on matters related to measurement science and measurement standards.
The International Space Station (ISS) is a space station, or a habitable artificial satellite, in low Earth orbit.
The International System of Units (SI, abbreviated from the French Système international (d'unités)) is the modern form of the metric system, and is the most widely used system of measurement.
James Prescott Joule (24 December 1818 11 October 1889) was an English physicist, mathematician and brewer, born in Salford, Lancashire.
The kilogram or kilogramme (symbol: kg) is the base unit of mass in the International System of Units (SI), and is defined as being equal to the mass of the International Prototype of the Kilogram (IPK, also known as "Le Grand K" or "Big K"), a cylinder of platinum-iridium alloy stored by the International Bureau of Weights and Measures at Saint-Cloud, France.
The kilowatt hour (symbol kWh, kW⋅h or kW h) is a unit of energy equal to 3.6 megajoules.
In physics, the kinetic energy of an object is the energy that it possesses due to its motion.
The Large Hadron Collider (LHC) is the world's largest and most powerful particle collider, the most complex experimental facility ever built and the largest single machine in the world.
A light-emitting diode (LED) is a two-lead semiconductor light source.
"Little Boy" was the codename for the atomic bomb dropped on the Japanese city of Hiroshima on 6 August 1945 during World War II by the Boeing B-29 Superfortress Enola Gay, piloted by Colonel Paul W. Tibbets, Jr., commander of the 509th Composite Group of the United States Army Air Forces.
Los Alamos National Laboratory (Los Alamos or LANL for short) is a United States Department of Energy national laboratory initially organized during World War II for the design of nuclear weapons as part of the Manhattan Project.
Mass is both a property of a physical body and a measure of its resistance to acceleration (a change in its state of motion) when a net force is applied.
In physics, mass–energy equivalence states that anything having mass has an equivalent amount of energy and vice versa, with these fundamental quantities directly relating to one another by Albert Einstein's famous formula: E.
Mechanics (Greek μηχανική) is that area of science concerned with the behaviour of physical bodies when subjected to forces or displacements, and the subsequent effects of the bodies on their environment.
The metre (British spelling and BIPM spelling) or meter (American spelling) (from the French unit mètre, from the Greek noun μέτρον, "measure") is the base unit of length in some metric systems, including the International System of Units (SI).
The moment magnitude scale (MMS; denoted as Mw or M) is one of many seismic magnitude scales used to measure the size of earthquakes.
The moment of inertia, otherwise known as the angular mass or rotational inertia, of a rigid body is a tensor that determines the torque needed for a desired angular acceleration about a rotational axis; similar to how mass determines the force needed for a desired acceleration.
The newton (symbol: N) is the International System of Units (SI) derived unit of force.
The newton metre (also newton-metre, symbol N m or N⋅m) is a unit of torque (also called "moment") in the SI system.
The ohm (symbol: Ω) is the SI derived unit of electrical resistance, named after German physicist Georg Simon Ohm.
This list compares various energies in joules (J), organized by order of magnitude.
The pascal (symbol: Pa) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus and ultimate tensile strength.
Petroleum is a naturally occurring, yellow-to-black liquid found in geological formations beneath the Earth's surface.
In physics, Planck energy, denoted by, is the unit of energy in the system of natural units known as Planck units.
In physics, power is the rate of doing work, the amount of energy transferred per unit time.
The radian (SI symbol rad) is the SI unit for measuring angles, and is the standard unit of angular measure used in many areas of mathematics.
In radiometry, radiant exposure or fluence is the radiant energy received by a surface per unit area, or equivalently the irradiance of a surface, integrated over time of irradiation, and spectral exposure or is the radiant exposure per unit frequency or wavelength, depending on whether the spectrum is taken as a function of frequency or of wavelength.
A scalar or scalar quantity in physics is a physical quantity that can be described by a single element of a number field such as a real number, often accompanied by units of measurement.
The second is the SI base unit of time, commonly understood and historically defined as 1/86,400 of a day – this factor derived from the division of the day first into 24 hours, then to 60 minutes and finally to 60 seconds each.
The International System of Units (SI) defines seven units of measure as a basic set from which all other SI units can be derived.
SI derived units are units of measurement derived from the seven base units specified by the International System of Units (SI).
The Sun is the star at the center of the Solar System.
Thermochemistry is the study of the heat energy associated with chemical reactions and/or physical transformations.
TNT equivalent is a convention for expressing energy, typically used to describe the energy released in an explosion.
The tonne (Non-SI unit, symbol: t), commonly referred to as the metric ton in the United States, is a non-SI metric unit of mass equal to 1,000 kilograms;.
Torque, moment, or moment of force is rotational force.
Tsar Bomba was the Western nickname for the Soviet RDS-220 hydrogen bomb (code name Ivan or Vanya), the most powerful nuclear weapon ever created.
The volt (symbol: V) is the derived unit for electric potential, electric potential difference (voltage), and electromotive force.
Voltage, electric potential difference, electric pressure or electric tension (formally denoted or, but more often simply as V or U, for instance in the context of Ohm's or Kirchhoff's circuit laws) is the difference in electric potential between two points.
The watt (symbol: W) is a unit of power.
A watt second (also watt-second, symbol W s or W·s) is a derived unit of energy equivalent to the joule.
In physics, a force is said to do work if, when acting, there is a displacement of the point of application in the direction of the force.
World energy consumption is the total energy used by the entire human civilization.
The was a magnitude 9.0–9.1 (Mw) undersea megathrust earthquake off the coast of Japan that occurred at 14:46 JST (05:46 UTC) on Friday 11 March 2011, with the epicentre approximately east of the Oshika Peninsula of Tōhoku and the hypocenter at an underwater depth of approximately.
Attojoule, Centijoule, Decajoule, Decijoule, Exajoule, Exajoules, Femtojoule, Gigajoule, Gigajoules, Hectojoule, Joule (J), Joule (unit), Joule unit, Joules, Kilojoule, Kilojoules, List of converted amounts of joules, Megajoule, Megajoules, Millijoule, Nanojoule, Ocrajoule, Petajoule, Petajoules, Picojoule, SI unit of energy, Terajoule, Terajoules, Yoctojoule, Yottajoule, Zeptojoule, Zetajoule, Zettajoule, ΜJ.