Heisenberg's uncertainty principle states that we cannot simultaneously measure both the position and momentum of an object better than a certain accuracy. this limitation is not a consequence of imperfect technology, but is a fundamental law. it applies to all objects -- photons, electrons, baseballs, etc.. a highly monochromatic, continuous beam of laser light of wavelength 470 nm passes through an electro-optic shutter. the shutter opens and closes in a time interval of δt = 90 ps . after passing through the shutter to what uncertainty, δx, have the photons been localized?
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Physics, 21.06.2019 23:30, southerntouch103
A175 g lump of molten lead at its melting point (327 c) is placed into 55.0 g of water at 20.0 c. the specific heat of lead is 130.j/kg c and the hf of lead is 20,400 j/kg. when the lead and the water have reached equilibrium, what is the temperature of the mixture?
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Physics, 22.06.2019 10:00, he0gaubong
Which atomic model was proposed as a result of j. j. thomson’s work?
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Physics, 22.06.2019 12:20, drewefielder6198
Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.
Answers: 2
Heisenberg's uncertainty principle states that we cannot simultaneously measure both the position an...
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