In the theory of relativity, the mass of a particle with velocity v is m=m0/√1−v^{2}/c^{2} where m0 is the mass of the particle at rest and c is the speed of light. What happens as v → c^{-}?

Mass of the body moving at c becomes 0

^{2}/c^{2} where m0 is the mass of the particle at rest and c is the speed of light. What happens as v → c^{-}?

Mass of the body moving at c becomes 0