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A Particle Whose Mass Is 2 Kg Moves in the Xy

Question 15

Multiple Choice

A particle whose mass is 2 kg moves in the xy plane with a constant speed of 3 m/s along the direction r^=i^+j^\hat { \mathbf { r } } = \hat { \mathbf { i } } + \hat { j } .What is its angular momentum (in kg.m2/s) relative to the origin?


A) 0 k^\hat { k }
B) 62k~6 \sqrt { 2 } \tilde { \mathbf { k } }
C) 62k~- 6 \sqrt { 2 } \tilde { \mathbf { k } }
D) 6 k^\hat { k }
E) -6 k^\hat { k }

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