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# In (Figure 1), the charge q=1.28×10^−9 C.?

In (Figure 1), the charge q=1.28×10^−9 C.

https://session.masteringphysics.com/problemAsset/...

a) Find the electric potential at x=0.750 m.(include appropriate units)

b) Find the value of x between 0 and 1.00 m where the electric potential is zero. (include appropriate units)

### 2 Answers

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- RealProLv 710 months agoFavorite Answer
So did you need help with anything?

a)

k(-2q) / (0.750 m) + k(5q) / (0.250 m)

Where k = 8.99×10^9 Vm/C

b)

k(-2q) / x = k(5q) / (1 m - x)

2 - 2x = 5x

x = 2/7 m

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