A Subatomic Particle X Spontaneously Decays into Two Particles, a and B

question 43

Multiple Choice

A subatomic particle X spontaneously decays into two particles, A and B, each of rest energy 1.40 × 10² MeV. The particles fly off in opposite directions, each with speed 0.827c relative to an inertial reference frame S.
-Determine the kinetic energy of particle B (relative to frame S) .

• A)109 MeV
• B)140 MeV
• C)206 MeV
• D)249 MeV
• E)314 MeV

---

Definitions:

State Statutes

Laws that have been enacted by the legislative bodies of state governments.

Property Distribution

The division of assets and properties among parties, often in the context of estate planning, divorce, or dissolution of partnership.

Trust Agreement

A legal document that outlines the terms and conditions under which property is managed and held by a trustee for the benefit of another party.

Testamentary

Relating to or bequeathed through a will.