5. A hydrogen nucleus has a relativistic mass equal to the rest mass of a deuterium nucleus. (a) What is the relativisti

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5. A hydrogen nucleus has a relativistic mass equal to the rest
mass of a deuterium nucleus.
(a) What is the relativistic momentum of this fast-moving hydrogen
nucleus?
(b) What would its relativistic momentum be if its speed increased
until its relativistic mass was
equal to the rest mass of a tritium nucleus?
(c) What is the kinetic energy of a deuterium nucleus if its mass
measures equivalent to the rest
mass of a tritium nucleus? State this answer in MeV.
(d) For the kinetic energy determined in (c), what is this amount
of energy as a mass? State this
answer in kilograms.
(e) What kind of particle does the mass-energy found in (d)
represent? Why does this result make
sense given the information stated in (c)?