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•How vision works •What is light •Wavelength and Frequency: c = f λ
... a single (beautiful and elegant) theory of electromagnetism is one of the great triumphs of physics. The unification of different theories results in overall simplification and increased understanding. ...
... a single (beautiful and elegant) theory of electromagnetism is one of the great triumphs of physics. The unification of different theories results in overall simplification and increased understanding. ...
Review
... 1) Gravity between two electrons differs from the electrical force because the gravity is a) weaker and attractive b) stronger and attractive c) weaker and repulsive d) stronger and repulsive 2) An electron is heading directly toward a positive plate of charge. Therefore it is a) slowing down b) spe ...
... 1) Gravity between two electrons differs from the electrical force because the gravity is a) weaker and attractive b) stronger and attractive c) weaker and repulsive d) stronger and repulsive 2) An electron is heading directly toward a positive plate of charge. Therefore it is a) slowing down b) spe ...
The principle of constancy of the speed of Light in free-space
... the STR in explaining and predicting experimental facts and its internal consistency give an indirect proof of its two postulates. Thus it is essential to insist that such a fundamental idea as the invariance of the speed of light in vacuum should be derivable from the simple and more basic assumpti ...
... the STR in explaining and predicting experimental facts and its internal consistency give an indirect proof of its two postulates. Thus it is essential to insist that such a fundamental idea as the invariance of the speed of light in vacuum should be derivable from the simple and more basic assumpti ...
Motion Along a Straight Line at Constant
... In exactly the same way as we can connect force f and acceleration a using Newton’s 2nd law of motion, we can arrive at the centripetal force which is keeping the object moving in a circle ...
... In exactly the same way as we can connect force f and acceleration a using Newton’s 2nd law of motion, we can arrive at the centripetal force which is keeping the object moving in a circle ...
Physics 121
... This has to do with “free-fall” like when you are in an elevator and it accelerates down. • Problem 8: How much would a 120 lb woman “feel” she weighs in an elevator decelerating at 2 m/s2 ? ...
... This has to do with “free-fall” like when you are in an elevator and it accelerates down. • Problem 8: How much would a 120 lb woman “feel” she weighs in an elevator decelerating at 2 m/s2 ? ...
Document
... heavens were made up of an indestructible substance called ether (aether) and were considered as eternal and unchanging. The laws of nature of the Earth were different from those of the Heavens. ...
... heavens were made up of an indestructible substance called ether (aether) and were considered as eternal and unchanging. The laws of nature of the Earth were different from those of the Heavens. ...