The energy equivalent of 0.5 g of matter, using E = mc², is:

Question

G1 Physics · Accepted Answer

Convert mass: 0.5 g = 5 × 10⁻⁴ kg. E = mc² = (5 × 10⁻⁴)(3 × 10⁸)² = 5 × 10⁻⁴ × 9 × 10¹⁶ = 4.5 × 10¹³ J. Final answer: Option A.