3/23/23, 10:38 PM 11. [-/2 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A supernova explosion of a 1.00 x 1051 kg star produces 0.870 x 104* j of energy. (a) How many kilograms of mass (in kg) are converted to energy in the explosion? kg (b) What is the ratio Am/m of mass destroyed to the original mass of the star? Am m 12. [-/2 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER (a) Fusion of 1.00 kg of hydrogen releases 6.40 x 1014 J. Calculate the amount of mass converted to energy by the fusion of 3.11 kg of hydrogen. kg (b) What is the ratio of mass destroyed to the original mass, Am/m? 13. [-/2 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER (a) Calculate the energy released by the total conversion of 1.39 kg of mass. (b) How many kilograms could be lifted to a 7.90 km height by this amount of energy? kg 6/7