Question

how much mass has to be converted into energy to produce electric power 500 MW for 1 hour??

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Answer 1

P = 500MW = 500 × 10^6W

= 5 × 10^8W

t= 1 hour = 60×60 = 3600s

E=P×t = 5×10^8×3600

=18×10^11j

now,E = mc^2

m= E/c^2

= 18× 10^11/(3×10^8)^2

= 2× 10^-7Kg

= 0.2mg

тℏᾰℵкṧ ✌

Answer 2

Answer:

Explanation:500 MWH comes out to be equal to 1.8 terajoules in enerygy

Then relation for mass and energy is E=mc^2

On solving it gets M=E/c^2

Ut comes around m=0.00002 kilograms