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Can a partical, moving with a uniform sp...

Can a partical, moving with a uniform speed have a non-uniform velocity?

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Speed is a scalar quantity having only magnitude. But velocity is a vector quantity having both magnitude and direction. Hence if a particle having uniform speed changes its direction, its velocity will become non-uniform. Example: uniform circular motion.
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Knowledge Check

  • When a particle moves in a circle with uniform speed

    A
    Its velocity and acceleration are both constant
    B
    Its velocity is constant but acceleration changes
    C
    Its acceleration is constant but the velocity changes
    D
    Its velocity and acceleration are both change

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