A relativistic particle of mass m has a total energy 37 times its rest energy. What is the momentum of the particle, in units of mc?

A particle in an accelerator has a total energy and a relativistic momentum . What is the rest mass of the particle, in units of ?

The relativistic momentum of a particle with mass is . What is the total energy of the particle, given in units of the rest mass energy ?

The rest mass energy of a particle with mass is one quarter of its total energy . What is the of the particle's momentum, in units of ?

A particle of mass m traveling at a relativistic speed has a momentum of 50 mc. What is the total energy E of the particle, expressed in units of the rest mass energy Eo?

A scientist measures the spectrum of relativistic jet emitted from a black hole. He finds that the a particular spectral line, which has a stationary wavelength of 212.5 nm, has a Doppler shifted wavelength of 643.7 nm. What is the radial velocity of the relativistic jet?