Vectors $V _ { 1 } \text { and } V _ { 2 }$

Multiple Choice

Vectors $V _ { 1 } \text { and } V _ { 2 }$ are orthogonal. If $\text { If } V _ { 1 } \text { is } ( 5 i + 7 j - 3 k ) \text { and } V _ { 2 } = \left( 7 i + V _ { y } j + 14 k \right)$ ) , then component $V _ { y }$ in vector $V _ { 2 }$ is:

A) $3.6$
B) $1.0$
C) $- 5.2$
D) $2.7$