Answer to Question 6

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Mass on the left hand side = 3.3425 10-27 kg + 6.6425 10-27 kg = 9.985 10-27 kg  

 

Mass on right hand side = 6.6465 10-27 kg + 1.675 10-27 kg = 8.3215 10-27 kg  

 

Mass deficit = 9.985 10-27 kg - 8.3215 10-27 kg = 1.6635 10-27 kg

 

Energy = 1.6635 10-27 kg (3.0 108 m s-1)2 = 1.50 10-11 J

 

Energy in eV = 1.50 10-11 J 1.6 10-19 J eV-1 = 9.4 108 eV = 940 MeV