Question

Hello, Could someone please explain how you convert 0.5 MeV to Kg?

Answer 1

Answer:

8.8889x10-³¹kg

Explanation:

E=mc²

E=0.5Mev = 0.5x10⁶x(1.6x10-¹⁹) = 0.8x10-¹³J

c=3x10⁸m/s

Now,

m=E/c² = 0.8x10-¹³/(3x10⁸)² = 0.8x10-¹³/9x10¹⁶

= 8.889x10-³¹kg.