A0.320-m-long metal bar is pulled to the left by an applied force F. The bar rides on parallel metal rails connected through a 45.0 N resistor, as shown in (Figure 1), so the apparatus makes a complete circuit. You can ignore the resistance of the bar and rails, The circuit is in a uniform 0.650 T magnetic field that is directed out of the plane of the figure. Part A At the instant when the bar is moving to the left at 5.90 m/s, is the induced current in the circuit clockwise or counterclockwise? O clockwise O counterclockwise Figure 1 of 1 Part B What is the rate at which the applied force is doing work on the bar? Express your answer with the appropriate units. μΑ ? P = Value Units

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### Problem Description

A 0.320-meter-long metal bar is pulled to the left by an applied force \( F \). The bar rides on parallel metal rails connected through a 45.0 \(\Omega\) resistor, as shown. This setup forms a complete circuit. You can ignore the resistance of the bar and rails. The circuit is in a uniform 0.650 T magnetic field that is directed out of the plane of the figure.

#### Diagram Explanation

The figure shows a metal bar positioned horizontally on parallel rails. The resistor \( R \) connects the ends of the rails on one side, completing the circuit. \(\mathbf{B}\), the magnetic field, is pointing out of the plane of the diagram, represented by dots surrounding the setup. An arrow labeled \( \mathbf{v} \) indicates that the bar is moving to the left.

### Questions

#### Part A

At the instant when the bar is moving to the left at 5.90 m/s, is the induced current in the circuit clockwise or counterclockwise?

- [ ] Clockwise
- [ ] Counterclockwise

#### Part B

What is the rate at which the applied force is doing work on the bar?

**Express your answer with the appropriate units.**

\[ P = \text{Value} \quad \text{Units} \]
Transcribed Image Text:### Problem Description A 0.320-meter-long metal bar is pulled to the left by an applied force \( F \). The bar rides on parallel metal rails connected through a 45.0 \(\Omega\) resistor, as shown. This setup forms a complete circuit. You can ignore the resistance of the bar and rails. The circuit is in a uniform 0.650 T magnetic field that is directed out of the plane of the figure. #### Diagram Explanation The figure shows a metal bar positioned horizontally on parallel rails. The resistor \( R \) connects the ends of the rails on one side, completing the circuit. \(\mathbf{B}\), the magnetic field, is pointing out of the plane of the diagram, represented by dots surrounding the setup. An arrow labeled \( \mathbf{v} \) indicates that the bar is moving to the left. ### Questions #### Part A At the instant when the bar is moving to the left at 5.90 m/s, is the induced current in the circuit clockwise or counterclockwise? - [ ] Clockwise - [ ] Counterclockwise #### Part B What is the rate at which the applied force is doing work on the bar? **Express your answer with the appropriate units.** \[ P = \text{Value} \quad \text{Units} \]
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