Relativistic Momentum and Energy · IPhO 2022 #1

Physics · special-relativity

Problem

A proton (rest mass

m_p = 938\;\text{MeV}/c^2

) is accelerated to a kinetic energy of

K = 2.0\;\text{GeV}

. Find its (a) total energy, (b) momentum, (c) speed as a fraction of

c