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![Two point charges \( Q_1 = +4.70 \, \text{nC} \) and \( Q_2 = -2.60 \, \text{nC} \) are separated by \( 45.0 \, \text{cm} \).
**(a)** What is the electric potential at a point midway between the charges?
\[ \_\_\_\_ \, \text{V} \]
**(b)** What is the potential energy of the pair of charges?
\[ \_\_\_\_ \, \text{J} \]
What is the significance of the algebraic sign of your answer?
- \( \bigcirc \) Positive work must be done to separate the charges.
- \( \bigcirc \) Negative work must be done to separate the charges.](https://content.bartleby.com/qna-images/question/d5bf52b5-332e-4fb8-b681-02d312bb1dd0/38ea52a6-241d-4afe-97ee-193ac1068d6f/bvrxnjm_processed.jpeg)
Transcribed Image Text:Two point charges \( Q_1 = +4.70 \, \text{nC} \) and \( Q_2 = -2.60 \, \text{nC} \) are separated by \( 45.0 \, \text{cm} \).
**(a)** What is the electric potential at a point midway between the charges?
\[ \_\_\_\_ \, \text{V} \]
**(b)** What is the potential energy of the pair of charges?
\[ \_\_\_\_ \, \text{J} \]
What is the significance of the algebraic sign of your answer?
- \( \bigcirc \) Positive work must be done to separate the charges.
- \( \bigcirc \) Negative work must be done to separate the charges.
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