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# Magnitude of Acceleration of Gravity: Boxed In

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Three motionless bodies of mass 15 kg are arrayed in the corners of a rectangle, as seen in the figure.

What is magnitude of the acceleration of gravity at location $x$?

A

$1.6 \times 10^{-12} m/s^2$

B

$3.3 \times 10^{-12} m/s^2$

C

$1.1 \times 10^{-11} m/s^2$

D

$1.3 \times 10^{-11} m/s^2$

E

It depends on the mass of the object at location $x$.