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nellywood
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Homework Statement
A particle as observed in a certain reference frame has energy 5GeV and momentum 3GeV. what is the energy in a frame in which its momentum is equal to 4GeV/c?
what is its rest mass?
what is the relative velocity of the two reference frames?
Homework Equations
The Attempt at a Solution
v=(pc^2)/e
v=0.6c which is the relative velocity of the 2 frames
at v=0
e=mc^2
therefore m=e/m^2=8.88*10^-27 which is the rest mass of the particle
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