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Grade: 12th pass 

                        
What is repulsive Coulomb’s force between two protons in a nucleus of iron? Assume a separation of 4.0×10 -15 m .
3 years ago

Answers : (1)

Arun
24742 Points 
							
As we know
F = 1/4(pi)\varepsilon q1*q2/r^2
Q1 = 1.6 * 10 ^-19
F = (9 x 109 Nm2/C2)(1.6 x 10-19 C)2 / (4.0 x10-15 m)2 
= 14.375 N
 
3 years ago
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