Question

The kinetic energy of the body is twice the rest mass energy. The ratio of the relativistic mass of the body to its rest mass is

• A. 1
• B. 2
• C. 3
• D. Infinite

Answer 1

Answer: (B)

2

Answer 2

E_R = 2E₀

m_R c² = 2 m₀ c²

$\frac{m_{R}}{m_{0}}$ = 2 : 1