The vector projection of a vector $3\hat i + 4\hat k$ on $Y-$axis is

  • A

    $5$

  • B

    $4$

  • C

    $3$

  • D

    $0$

Similar Questions

Two forces $P + Q$ and $P -Q$ make angle $2 \alpha$ with each other and their  resultant make $\theta$ angle with bisector of angle between them. Then :

$Y $ component of velocity is $20$ and $X$ component of velocity is $10$. The direction of motion of the body with the horizontal at this instant is

$ABCDEF$ is a regular hexagon and forces represented in magnitude and direction by  $AB, AC,AD, AE$ and $AF$ act at $A$. Their resultant is :

The angles which the vector $A =3 \hat{ i }+6 \hat{ j }+2 \hat{ k }$ makes with the coordinate axes are

What is the maximum number of rectangular components into which a vector can be split in space?