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lecture1 - Physics is Everywhere Learn the principles which...

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Physics is Everywhere Learn the principles which govern the Universe and lay the foundation of other physical sciences, engineering and modern technologies
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Physics Classical physics: developed before 1900 Classical Mechanics – Thermodynamics – Electromagnetism – Optics Modern physics: began near the end of the 19 th century Theories of relativity Quantum mechanics Start from the fundamentals: basic quantities, physical laws, math skills …
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Quantities Used in classical mechanics • Three basic quantities – Length (m) – Mass (kg) – Time (s) SI – Systéme International » agreed to in 1960 by an international committee • Many derived quantities – Velocity, acceleration, force, energy, power, momentum, density, … which can be expressed in terms of basic quantities
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Length • Units – m , km, cm, mm, mm, nm, Å…, lightyear – mi, yd, ft, in One meter is defined as the distance traveled by light in a vacuum during 1/299792458 second These are the standard SI prefixes for indicating powers of 10.
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