Vector projection of a vector 3hat{i} + 4hat{k} on Y- axis is

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3-1.Vectors

easy

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

$5$

$4$

$3$

$0$

Solution

(d)As the multiple of $\hat j$ in the given vector is zero therefore this vector lies in $XZ$ plane and projection of this vector on $Y-$axis is zero.

Standard 11

Physics

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

medium

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:-

medium

Given vector $\overrightarrow A = 2\hat i + 3\hat j, $ the angle between $\overrightarrow A $and $y-$axis is

medium

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

medium

A vector is represented by $3\,\hat i + \hat j + 2\,\hat k$. Its length in $XY$ plane is

easy

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

Solution

Similar Questions

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

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