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Lecture 4

... addition. • Vector components • Mathematical description of vector addition (addition of components) • Unit Vectors 95.141, F2010, Lecture 4 ...
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horizontal velocity - Marble Falls High School

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... λ = velocity (m/s) frequency (Hz)  Amplitude – the maximum distance the particles of a medium move away from their resting position as a wave passes through the medium.  Basically, amplitude is the height of a wave above the midline resting position.  Frequency – the number of complete waves (osc ...
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Notes on Relativistic Dynamics

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Phys1443-003, Fall04,Term 1 Exercise Problems 1
Phys1443-003, Fall04,Term 1 Exercise Problems 1

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Contents - Perimeter Institute

... slows down time. The closer an object is to a large mass, the slower time passes. Together, these two effects mean that clocks inside GPS satellites run faster than clocks in GPS receivers on Earth. If not corrected, this would lead to timing errors that would result in GPS measurements rapidly accu ...
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THE VALIDITY OF VELOCITY MEASUREMENT DURING UPPER

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Beyond the limits of cosmological perturbation theory: resummations

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Reversed Doppler Effect in Photonic Crystals

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... consequences of this model. If special relativistic effects are observational phenomena only, without an aether, then there is nothing that can be done, for example, about unwanted relative mass increase. Nothing can be done about purely observational phenomena, if there is no physical mechanism tha ...
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... 3. Use the distances traveled and average time s to make a “Distance vs. Time” graph (always named as “y vs. x”) using MS Excel. Label this and all graphs as directed in class. 4. Use the MS Excel “Add Trendline” function to draw the best straight lines through your data points and to compute the “b ...
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... happens with such extremely heavy objects, one has to consider Einstein’s theory of relativity, both Special Relativity and General Relativity, the theory that describes the gravitational field when velocities are generated comparable to that of light. Soon after Albert Einstein formulated this beau ...
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9792/03 UNIVERSITY OF CAMBRIDGE INTERNATIONAL

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Faster-than-light

Faster-than-light (also superluminal or FTL) communication and travel refer to the propagation of information or matter faster than the speed of light.Under the special theory of relativity, a particle (that has rest mass) with subluminal velocity needs infinite energy to accelerate to the speed of light, although special relativity does not forbid the existence of particles that travel faster than light at all times (tachyons).On the other hand, what some physicists refer to as ""apparent"" or ""effective"" FTL depends on the hypothesis that unusually distorted regions of spacetime might permit matter to reach distant locations in less time than light could in normal or undistorted spacetime. Although according to current theories matter is still required to travel subluminally with respect to the locally distorted spacetime region, apparent FTL is not excluded by general relativity.Examples of FTL proposals are the Alcubierre drive and the traversable wormhole, although their physical plausibility is uncertain.
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