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AP® Physics 1 & 2

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Gravitational Field Due to Earth

APPH12-CZLVIK

How far from the surface of Earth is the magnitude of Earth's gravitational field equal to $7.86\text{ }N/kg$?

The mass of Earth is $5.97\times10^{24}\text{ }kg$ and the mean radius of Earth is $6.37\times10^6\text{ }m$.

A

$750\text{ }km$

B

$710\text{ }km$

C

$7,100\text{ }km$

D

$7,500\text{ }km$