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Two charged spheres are fixed into position on the x-axis as shown below. The first sphere, $S_1$, has a charge of $+2\text{ C}$ and is located at $30\text{ cm}$. The second sphere, $S_2$, has a charge of $+18\text{ C}$ and is located at $70\text{ cm}$. A third sphere $S_3$, with a charge of $+1\text{ C}$ is placed at positions A, B, C and then D.

Laura L. Lang. Created for Albert.io. Copyright 2016. All rights reserved.

Which of the following statements about the motion of $S_3$ are true?

Select TWO answers.

A

When $S_3$ is released after being placed a position A, it would accelerate to the left at an increasing rate.

B

When $S_3$ is released after being placed a position B, it would not move.

C

When $S_3$ is released after being placed a position C, it would accelerate to the left at a constant rate.

D

When $S_3$ is released after being placed a position D, it would accelerate to the right at a decreasing rate.

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