Physics question 4 hw 23

Physics
Tutor: None Selected Time limit: 1 Day

Jul 21st, 2015

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Change in mass = | 4.0026 + 1.00866 - 3.01605 - 2.0141 | = 0.01889 u 

= 0.01889 x 1.66 x 10^(-27) = 3.14 x 10^(-29) kg

Energy for 1 fusion event = 3.14 x 10^(-29) x (3x10^8)^2 = 2.82 x 10^(-12) J

A year requires 1742 kWh x 12 x 3.6 x 10^6 = 7.53 x 10^10 J

Number of fusion events required = 7.53 x 10^10 / [ 2.82 x 10^(-12) ] = 2.67 x 10^22 events.



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Jul 21st, 2015

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