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A particle is executing uniform circular motion with velocity $\vec{v}$ and acceleration $\vec{a}$. Which of the following is true?
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The correct answer is:
$\vec{v}$ is not a constant; $\vec{a}$ is not a constant
$\vec{v}$ is not a constant; $\vec{a}$ is not a constant
In uniform circular motion $\vec{v}$ keeps changing at every instant while magnitude of a remains same but its direction keeps changing.
Thus $\vec{a}$ is also not constant.
In uniform circular motion $\vec{v}$ keeps changing at every instant while magnitude of a remains same but its direction keeps changing.
Thus $\vec{a}$ is also not constant.
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