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A particle is moving in a circular path of radius r what could be the displacement after half a circle?
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A particle is moving in a circular path of radius r what could be the ...
Understanding Displacement in Circular Motion
Displacement in circular motion refers to the shortest distance between the initial and final positions of a particle moving along a circular path. When a particle moves along a circular path of radius r, we can analyze its displacement after completing half a circle.
Path Description
- A particle starts at a point on the circumference of the circle (let's say point A).
- It moves along the circular path to reach the exact opposite point (point B) after covering half the circle.
Calculating Displacement
- The initial position (point A) and the final position (point B) are directly opposite each other on the circle.
- The displacement is the straight line connecting these two points.
Geometric Interpretation
- In this case, the displacement forms a straight line, which is the diameter of the circle.
- The length of this displacement can be calculated as:
- Displacement = 2 * r
Conclusion
- After moving half a circle, the particle's displacement is equal to the diameter of the circle, which is twice the radius (2r).
- Therefore, even though the particle travels a distance equal to half the circumference of the circle, its displacement is relatively shorter, showcasing the difference between distance and displacement in circular motion.
This understanding is crucial in physics, particularly in topics involving motion and vectors, providing insight into how objects move through different paths.
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A particle is moving in a circular path of radius r what could be the displacement after half a circle?
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