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Consider a positive charge Q1 of magnitude 9 µC fixed at the origin with another positive charge Q2 of magnitude 5.5 µC moving near it. Charge Q2 has a mass of 9 g. Where applicable, let the potential energy be zero when charges are very far apart from each other. Hint a. What is the potential energy of Q2 when it is 4.8 cm from Q₁? PEQ2 = b. If Q2 is released from rest at 4.8 cm from Q1, how fast is it moving when it reaches 7.6 cm from Q1 ? J.

Consider a positive charge Q1 of magnitude 9 µC fixed at the origin with another positive charge Q2 of magnitude 5.5 µC moving near it. Charge Q2 has a mass of 9 g. Where applicable, let the potential energy be zero when charges are very far apart from each other. Hint a. What is the potential energy of Q2 when it is 4.8 cm from Q₁? PEQ2 = b. If Q2 is released from rest at 4.8 cm from Q1, how fast is it moving when it reaches 7.6 cm from Q1 ? J.

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**Physics Problem: Interactions Between Electrical Charges** Consider a positive charge \( Q_1 \) of magnitude 9 μC fixed at the origin with another positive charge \( Q_2 \) of magnitude 5.5 μC moving near it. Charge \( Q_2 \) has a mass of 9 g. Where applicable, let the potential energy be zero when charges are very far apart from each other. **Questions:** a. What is the potential energy of \( Q_2 \) when it is 4.8 cm from \( Q_1 \)? \[ \text{PE}_{Q_2} = \underline{\hspace{3cm}} \text{ J} \] b. If \( Q_2 \) is released from rest at 4.8 cm from \( Q_1 \), how fast is it moving when it reaches 7.6 cm from \( Q_1 \)? \[ v_{Q_2} = \underline{\hspace{3cm}} \text{ m/s} \] **Additional Resources:** - Hint buttons are provided to assist with both parts of the problem. - Support is available if you need further assistance: [Message instructor] Submit your answers using the "Submit Question" button once completed. This problem explores the concepts of electrostatic potential energy and kinetic energy transformations for charged particles.
Transcribed Image Text:**Physics Problem: Interactions Between Electrical Charges** Consider a positive charge \( Q_1 \) of magnitude 9 μC fixed at the origin with another positive charge \( Q_2 \) of magnitude 5.5 μC moving near it. Charge \( Q_2 \) has a mass of 9 g. Where applicable, let the potential energy be zero when charges are very far apart from each other. **Questions:** a. What is the potential energy of \( Q_2 \) when it is 4.8 cm from \( Q_1 \)? \[ \text{PE}_{Q_2} = \underline{\hspace{3cm}} \text{ J} \] b. If \( Q_2 \) is released from rest at 4.8 cm from \( Q_1 \), how fast is it moving when it reaches 7.6 cm from \( Q_1 \)? \[ v_{Q_2} = \underline{\hspace{3cm}} \text{ m/s} \] **Additional Resources:** - Hint buttons are provided to assist with both parts of the problem. - Support is available if you need further assistance: [Message instructor] Submit your answers using the "Submit Question" button once completed. This problem explores the concepts of electrostatic potential energy and kinetic energy transformations for charged particles.
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