Question

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A particle is moving in a circular path of radius 2r. The displacement
after half a circle would be?
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Answer 1

Answer:

= 2r

Given :

• Radius of the circular path = r
• A particle covers half of the circular track by travelling

To find :

• Displacement after half of the circle

After half of the circle the particle would be at the diametrically opposite end of the starting point.

Here so the diameter will be equal to the Displacement of the particle

Diameter = 2×radius

So, Displacement = 2r

•°• 2r is the correct answer

Answer 2

Answer:

The displacement would be 4r.

Explanation:

Here, Radius is 2r

Diameter is 4r

And, displacement after half circle= Diameter

Displacement= 4r

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