contestada

If there is a loss of 4.36 × 10-5 g of mass in a nuclear reaction, how many kJ of energy would be released? Recall that c = 3 × 108 m/s.

Respuesta :

The answer is 3.92 x 10^6 

Answer : The amount of energy released would be, [tex]39.24\times 10^8J[/tex]

Solution : Given,

Mass = [tex]4.36\times 10^{-5}g=4.36\times 10^{-8}Kg[/tex]

conversion : (1 Kg = 1000 g)

Speed of light = [tex]3\times 10^8m/s[/tex]

Formula used :

[tex]E=m\times c^2[/tex]

where,

E = energy released

m = mass

c = speed of light

Now put all the given values in this formula, we get

[tex]E=(4.36\times 10^{-8}Kg)\times (3\times 10^8m/s)^2=39.24\times 10^8J[/tex]

Therefore, the amount of energy released would be, [tex]39.24\times 10^8J[/tex]