Answer to Question 5

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Kinetic energy = 1 eV = 1.6 10-19 J  

 

Mass of a neutron = 1.008665 u 1.661 10-27 kg = 1.675 10-27 kg

 

v2 = 2Ek/m = 2 1.6 10-19 J = 1.91 108 m2 s-2

                      1.675 10-27 kg

 

 

v = 13 800 m s-1