Answer to Question 5

Back

R = 5.36 10-15 m

 

V = 4/3 p (5.36 10-15 m)3 = 6.45 10-45 m3 (not very big)

 

Mass = 1.67 10-27 kg 56 = 9.35 10-26 kg

 

Density = mass volume = 9.35 10-26 kg 6.45 10-45 m3 

 

= 1.45 1018 kg m-3 (which is quite a lot)