To determine the direction of the velocity of a negatively charged particle in a magnetic field when a force \( F \) is acting on it, we can use the right-hand rule.
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Identify the Directions: According to the right-hand rule for charged particles:
- Point your thumb in the direction of the force \( F \) acting on the particle.
- Point your fingers in the direction of the magnetic field \( B \).
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Determine the Velocity Direction: Since the particle is negatively charged, the velocity \( v \) of the particle will be in the opposite direction to what would be indicated by your palm (which would indicate the velocity direction for a positively charged particle).
If you have the specific positions of \( F \) and \( B \) in the diagrams, follow those steps to find the proper direction of the velocity. If your diagrams are numbered (like 1 through 5), correlate these steps to see which number corresponds to the opposite direction of force + magnetic field vector.
Provide more details from the diagrams for precise guidance, or check against the right-hand rule as described!