Question

A particle is moving in a arce of diameter 6 m. What is its displacement when it completes 1.5 revolutions​

Answer 1

Answer:

We know that , if we join the starting point with the end point with a straight line we will get the displacement.

The circle has diameter 5m.

After completing one revolution it will get to the exact point where it starts.

But, it goes half of the circle.

Then, it will come to the exact opposite of the starting point and it's displacement will be it's diameter.

So, the diameter of the circle is it's displacement.

So, your answer is 5m.

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Answer 2

Answer:

Displacement is equal to the distance between initial and final position. so in this case displacement will be equal to 2r, the diameter of the circle.

&

Distance is equal to the length of actual path traversed by the object. so in this case, displacement will be equal to the half of the circumference i.e. πr.

Explanation:

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