A particle of mass \( 10 \mathrm{~kg} \) is moving with a uniform speed of \( 6 \mathrm{~m} / \m...

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A particle of mass \( 10 \mathrm{~kg} \) is moving with a uniform speed of \( 6 \mathrm{~m} / \mathrm{sec} \), in \( x-y \) plane along the line \( 3 y=4 x+10 \) the magnitude of its angular momentum about the origin in \( \mathrm{kg}-\mathrm{m}^{2} / \mathrm{s} \) is :
(A) Zero
(B) 80
(C) \( 30 \sqrt{2} \)
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