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Introduction

A particle is...

Question

A particle is moving along a circular path with uniform speed. how does its angular velocity change when it completes half of the circular path?

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Solution

The change in angular velocity is zero !! Given that it is moving in same speed !! Change in angular velocity means angular acceleration and if we don't have have change in angular speed , then angular acceleration is zero .

Hence ,At half completed rotation (180degrees ) the angular accelaration is zero

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