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David0709
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Homework Statement
A particle of mass m is moving along the positive x direction with momentum p and energy E
It collides with a particle of the same mass at rest to form a new particle of mass M.
Show that
M^2 = 2m/c^2 * (E + mc^2) 2. Homework Equations
E^2= p^2c^2 + m^2c^4
The Attempt at a Solution
I know the momentum of M will be equal to that of m before the collision hence it will be p.
I tried looking at conservation of energy but the answer does not seem to fall out nicely I must be overlooking something any help would be appreciated.