Question

a particle is moving in a circular path of radius r the displacement after half a circle would be ____
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Answer 1

Answer:

Given, after half the circle, the particle will reach the diametrically opposite point i.e., from point A to point 6. And we know displacement is shortest path between initial and final point. Hence, the displacement after half circle is 2r.

Answer 2

Answer:

The answer will be 2r.

Explanation

We all know that displacement is all about the total distance measured between initial and final points.

After the particle covers half path of the circle, the displacement can be easily calculated by measuring the distance between initial and final points.

Displacement after half circle = AB=OA + OB Hence, the displacement after half circle is 2r.

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