A particle of mass 2 kg located at the p...

A particle of mass 2 kg located at the position `(vec(i) + vec(j)) ` m has a velocity ` =2( vec(i) - vec(j) + vec(k)) m//s `. Its angular momentum about z-axis in `kg - m^(2)//s` is :

zero

`+ 8`

`-8`

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