Review Conceptual Example 7 as background for this problem An electron and its antiparticle annihilate each other, producing two ray photons The kinetic energies of the particles are negligible Determine the magnitude of the momentum of each photon ...

The kinetic energies of the electron and its antiparticle are negligible so we may assume that they ...

Review Conceptual Example 7 as background for this problem. An electron and its antiparticle annihilate each other,

Question:

Review Conceptual Example 7 as background for this problem. An electron and its antiparticle annihilate each other, producing two γ-ray photons. The kinetic energies of the particles are negligible. Determine the magnitude of the momentum of each photon.