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What is the potential energy of a system of two point charges q1 and q2 separate
What is the potential energy of a system of two point charges q1 and q2 separated by a distance r?
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Practice Questions
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Q1
What is the potential energy of a system of two point charges q1 and q2 separated by a distance r?
k * q1 * q2 / r
k * q1 * q2 * r
k * (q1 + q2) / r
k * (q1 - q2) / r
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The potential energy U of a system of two point charges is given by U = k * q1 * q2 / r.
Questions & Step-by-step Solutions
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Q
Q: What is the potential energy of a system of two point charges q1 and q2 separated by a distance r?
Solution:
The potential energy U of a system of two point charges is given by U = k * q1 * q2 / r.
Steps: 6
Show Steps
Step 1: Understand that potential energy is the energy stored in a system due to the position of the charges.
Step 2: Identify the two point charges in the system, which are q1 and q2.
Step 3: Measure the distance between the two charges, which is represented by r.
Step 4: Recognize that k is a constant called Coulomb's constant, which helps calculate the force between charges.
Step 5: Use the formula for potential energy, which is U = k * q1 * q2 / r.
Step 6: Plug in the values of q1, q2, r, and k into the formula to find the potential energy U.
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