Question

Coulomb's force between two protons is ___ times the gravitational force between them on mars.(Coulomb force between two protons is 10³⁶ times the gravitational force between them on earth)​

Answer 1

Answer:

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Answer 2

Explanation:

Correct option is

D

10

+36

Gravitational force =

r

2

G(m

p

)

2

Electric force =

r

2

K(e)(e)

Ratio =

r

2

K(1.6×10

−19

)

2

×

G×(1.6 7×10

−27

)

2

r

2

=

(6.6 7×10

−11

)(1.6 7×10

−27

)

2

(9×10

9

)×(1.6×10

−19

)

2

=1.23×10

20

×10

16

=10

36

(order of magnitude)