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Hi , Is it possible to reach an object to the speed of light or exceed it ?

Further more, as the speed of an object approaches the speed of light, the amount of energy required to further increase it's speed exponentialy increases. As far as I know, for any object to be propelled to the speed of light would take more energy than there is in the universe. An infinite amount of energy. How this works for the photon I have no idea.

Because what you said is valid for objects which have non zero mass and a photon isn't such an object (it has zero mass).

How this works for the photon I have no idea.

To elaborate on my previous post:As an object with mass increases velocity, it also get's an increase in mass. By the time an object is moving at the speed of light it would have infinite mass. An infinite mass requires an infinite amount of energy to change it's speed.

Probably Pmb won't agree with me, but mass doesn't change with velocity (of course I'm referring to invariant = proper mass).

QuoteProbably Pmb won't agree with me, but mass doesn't change with velocity (of course I'm referring to invariant = proper mass).Einsteins famours equation e=mc^2 says that as velocity increases, so does mass. But you just said mass doesn't change with velocity. Can you explain the conflict?