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Planet
P
Note: Figure not drawn to scale.
In the figure above, a spaceship (not shown) from point P is traveling along the dashed
line towards the planet. The net gravitational force at point P is 4.0 x 1010 N. Assume that
any motion of the planet is negligible.
If the spaceship stops halfway between the planet and point P, what happens to the magnitude of the net gravitational force exerted on the spaceship by the planet?
o The net gravitational force stays constant.
o The net gravitational force is half as great.
o The net gravitational force is twice as great.
The net gravitational force is four times as great

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onyebuchinnaji

If the spaceship stops halfway between the planet and point P, the net gravitational force is four times as great.

Gravitational force between two objects

The gravitational force between two objects is determined from Newton's second law of universal gravitation.

F = GmM/R²

where;

  • R is the distance between the spaceship and the planet.

when the distance halved

F = GmM/(0.5R)²

F = GmM/(0.25R²)

F = 100GmM(25R²)

F = 4GmM/R²

Fnet = 4F

Thus, if the spaceship stops halfway between the planet and point P, the net gravitational force is four times as great.

Learn more about gravitational force here: https://brainly.com/question/72250

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