The energy equivalent of $1 ext{ gram}$ of matter is approximately:

Question

The energy equivalent of $1	ext{ gram}$ of matter is approximately:

Professor PC Thomas Classes · Answer

Using Einstein's mass-energy equivalence $E = mc^2$, $E = (10^{-3}	ext{ kg}) 	imes (3 	imes 10^8	ext{ m/s})^2 = 9 	imes 10^{13}	ext{ J}$.