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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.

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

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