Question

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Answer 1

Answer:

a body in uniform circular motion has constant speed but it's velocity changes at every point during the course of motion

Answer 2

Observation:-

When a body is undergoing uniform circular motion it's speed is constant,but the velocity is variable.

Reason:-

The velocity of a body moving in a circular path with constant speed or uniform circular motion is variable as the direction of motion is constantly changing,and we know that velocity is a vector quantity.