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$What is the angular momentum L of a particle of mass m moving with velocity v at a perpendicular distance r from the origin?$

A. $m v r$
B. $m v / r$
C. $m r / v$
D. $m v^{2} r$

Show correct answer & step-by-step solution

Correct answer: A — $m v r$

Solution

Angular momentum is defined as L = r \times p . For a particle moving with velocity v at a perpendicular distance r, the magnitude is L = m v r .

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