A Particle Whose Mass Is 2 $\hat { \mathbf { r } } = \hat { \mathbf { i } } + \hat { j }$

Multiple Choice

A particle whose mass is 2.0 kg moves in the xy plane with a constant speed of 3.0 m/s along the direction $\hat { \mathbf { r } } = \hat { \mathbf { i } } + \hat { j }$ .What is its angular momentum (in kg.m²/s) relative to the point (0,5.0) meters?

A) 12 $\hat { k }$
B) 11 $\hat { k }$
C) 13 $\hat { k }$
D) 14 $\hat { k }$
E) 21 $\hat { k }$