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Equipartition Theorem

A particle ha...

Question

A particle having a mass of $2 k g$ is moving along a straight line $3 x + 4 y = 5$ with a speed of $8 m / s$ . Find angular momentum of the particle about the origin in meters.

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Solution

For a particle moving in straight line $\to L = m (\to T \times \to v)$
Now, since $v$ and $r$ are parallel $θ = 0 °$
$∴ L = 0.$
Hence, the answer is $0.$

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