When one compares the relativistic kinetic energy to the classically calculated kinetic energy for a moving object, at which of the speeds listed below does the classical calculation give a greater value than the relativistic calculation?
A) 0.707c
B) 0.5c
C) 0.2c
D) None of the above values will give such a result.

Question

Quizplus · Accepted Answer

The classical kinetic energy is always less than the relativistic kinetic energy for any non-zero speed. The classical calculation never gives a greater value than the relativistic calculation.

When One Compares the Relativistic Kinetic Energy to the Classically