Neutrons have a rest mass (inertia) of mn = 1.6749 × 10−27 kg. What is the mass, m', of a neutron whose kinetic energy is equal to one-quarter its own rest energy, as measured by a stationary observer?

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Topic: Relativistic Mass
Neutrons have a rest mass (inertia) of mn = 1.6749 × 10−27 kg.
What is the mass, m', of a neutron whose kinetic energy is equal to one-quarter its own rest energy, as measured by a stationary observer? 

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rest mass of neutron (mo) = 1.6749×10-27 kg kinetic energy = 14th of rest energy 

 

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