Archive for the ‘Physics’ Category
Tuesday, July 8th, 2008
Speed is a scalar quantity; that is, it can be described by a number only; for example 10 kilometers per hour. Velocity is described as a numerical value plus a direction. It is a vector quantitiy; meaning that it measures a total displacment of an object or person. If you ...
Posted in Math, Physics, What is the Difference | No Comments »
Monday, July 7th, 2008
The Tsar Bomba was the biggest nuclear bomb ever detonated. The project to build the Tsar Bomba was commissioned by Nikita Krushchev in 1961 during the height of the Cold War. This bomb was detonated just one year before the Cuban Missile Crisis. The Tsar Bomba was a tool used ...
Posted in Man Made Structures, Physics, Technology, What is the Biggest | No Comments »
Thursday, June 26th, 2008
The difference between mass and weight is that mass is constant and fixed, while weight varies with location because weight is a measure of the force that gravity has on an object. Your mass on the Moon, the Earth and on Jupiter is the same; however your weight would change ...
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Thursday, June 26th, 2008
Heat is the amount of total energy contained within an item; both potential energy and kinetic energy. Potential energy is stored energy and kinetic energy is moving energy. Temperature is a number that corresponds to the amount of kinetic energy in an object. When heat is introduced into a system, ...
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Wednesday, June 25th, 2008
The smallest particle in the world is a tie between quarks and leptons. Quarks are the fundamental particles that make neutrons and protons in atoms. There are several different classifications of quarks based on their properties that break down into up, down, charm, top and bottom; I don't make up ...
Posted in Physics, What is the Smallest | No Comments »