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A particle of mass m starts from origin with constant velocity $u \hat i$. What will be the angular momentum at a later instant.

\[\begin {array} {1 1} (a)\;zero & \quad (b)\;mru \hat i \\ (c)\;mru \hat j & \quad  (d)\;mru \hat k \end {array}\]

1 Answer

$\overrightarrow {r} $ is always parallel to $\bar {p}$
So the correct answer is zero
answered Nov 28, 2013 by meena.p
edited Mar 14, 2014 by meena.p

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