[单选题]
Consider a particle o/7+z ls ucm5nif massnlk,12*n:fcb i q/mam $m$ and rest mass $m_0$. Which of the following is the correct expression for the kinetic energy of such a particle?
A. $\frac{1}{2} m_0 v^2$
B. $\frac{1}{2} m v^2$
C. $m c^2 - m_0 c^2$
D. $\frac{1}{2}(mc^2 - m_0 c^2)$
Post time 2024-1-14 16:03:04