Answer :
If the astronauts allows gravity to bring them together, then the gravitational force between them is 1.39 x 10⁻⁹ N.
We know that there is gravitational force between two bodies which have mass,
This gravitational force is given by,
F = GM₁M₂/R²
Where,
G is the gravitational constant,
M₁ is the mass of the girl,
M₂ s the mass of the boy,
R is the distance between them,
The value of Gravitational constant is 6.67408 × 10⁻¹¹ N m² kg⁻².
So, putting all the values,
F = 6.67408 × 10⁻¹¹(62)(76)/(15)²
We get,
F = 1.39 x 10⁻⁹ N.
So, both of them will be attracted towards each other with a force of 1.39 x 10⁻⁹ N.
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