Question

A mass of 10.0 kilograms is completely converted into energy. What is this amount of energy in joules? (1 J = 1 kg m2/s2)

3.33 x 108 J

1.11 x 10-8 J

3.00 x 1016 J

9.00 x 1017

Answer 1

E = m x c^2
E = 10 x (3 x 10^8)^2
E = 9 x 10^17