Einstein's second postulate states that nothing can travel faster than the speed of light. The momentum of a particle of rest mass m
A) has an upper limit of mc.
B) has an upper limit of 2mc.
C) is infinite as the speed approaches c.
D) has an upper limit of 0.5mc.
E) is none of the above.

Question

Quizplus · Accepted Answer

As the speed of a particle approaches the speed of light, its relativistic momentum increases without bound, becoming infinite at the speed of light.

Einstein's Second Postulate States That Nothing Can Travel Faster Than