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

The direction cosines of vector $( A - B )$, if $A =2 \hat{ i }+3 \hat{ j }+\hat{ k }, B =2 \hat{ i }+2 \hat{ j }+3 \hat{ k }$ are

For the given vector $\vec A =3\hat i -4\hat j+10\hat k$ , the ratio of magnitude of its component on the $x-y$ plane and the component on $z-$ axis is

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

Two vectors $\overrightarrow a $ and $\overrightarrow b $ are at an angle of $60^o$ with  each other. Their resultant makes an angle of $45^o$ with $\overrightarrow a $ . If $|\overrightarrow b | = 2\,units$ then $|\overrightarrow a |$ is:-

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