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Question
The mass of the W boson is 80GeV/c2. During beta decay, a virtual W is created. In order not to visibly violate conservation of energy, what is the longest time the W particle can be in existence?A) 0 s
B) 8 x 10-45s
C) 8 x 10-36s
D) 8 x 10-27s
E) There is no limit on the time the W can exist.
Answer
This answer is hidden. It contains 1 characters.
Related questions
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C) is proportional to the reciprocal of the distance from us
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Q:
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Q:
In a photoelectric effect experiment at a frequency above cut off, the stopping potential is proportional to:
A) the energy of the least energetic electron before it is ejected
B) the energy of the least energetic electron after it is ejected
C) the energy of the most energetic electron before it is ejected
D) the energy of the most energetic electron after it is ejected
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Q:
In a photoelectric effect experiment at a frequency above cut off, the number of electrons ejected is proportional to:
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Q:
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Q:
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Q:
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A particle with zero mass and energy Ecarries momentum:
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Q:
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Q:
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Q:
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Q:
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Q:
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Q:
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5) decrease the separation between the slits
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Q:
The resolving power of a telescope can be increased by:
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Q:
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Q:
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