Answer:
The lifetime of the particle is
Explanation:
From the question we are told that
The average rest energy is
The intrinsic width is
The lifetime is mathematically represented as
Where h is the Planck's constant with a value of
substituting values
The engine's efficiency is (35J)/125J) = 28% .
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Answer:
West
Explanation:
This is because the first caar has more mass