Question
A supernova explosion of a $2.00 \times 10^{30} \textrm{ kg}$ star produces $1.00 \times 10^{44} \textrm{ J}$ of energy. (a) How many kilograms of mass are converted to energy in the explosion? (b) What is the ratio $\dfrac{\Delta m}{m}$ of mass destroyed to the original mass of the star?
1. $1.11 \times 10^{27} \textrm{ kg} 2.$5.56 \times 10^{-5}
Solution Video