Question

Find the coulomb force between two protons in a nucleus if the average distance between two protons in a nucleus is 6 fermi

Answer 1

Explanation:

The distance between the two protons is 10

−15

m.

The amount of charge on a proton is 1.6×10

−19

C

Electric force is given by

=F

e

=

r

2

k⋅e⋅e

=

(10

−15

)

2

k⋅e

2

=

(10

−15

)

2

9×10

9

×(1.6×10

−19

)

2

=

10 −30

9×10

9 ×(1.6)

2 ×10 −38

=90×(1.6)

2 =230.4N

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