NEET UG PHYSICS MCQ: MOTION IN PLANE

1 Hard

1 of 1

Application +4 | -1

\overline A = 2\bar i + 3\bar j

and

\overline B = 2\bar j + 3\bar k

the component of

\overline B \,

along

\overline A

View answer and explanation

Correct option: D

\frac{6}{{\sqrt {13} }}

Option D (

\frac{6}{{\sqrt {13} }}

) is correct because it represents the projection of vector B onto vector A, calculated using the dot product and the magnitude of vector A.

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\mathrm{\vec a}\,and\,\mathrm{\vec b}

\mathrm{\vec a}\,and\,\mathrm{\vec b}

\overrightarrow P \,\,.\,\,\overrightarrow Q = 0\,and\,\overrightarrow P \,\, \times \,\,\overrightarrow Q = 0

\overrightarrow Q \,and\,\overrightarrow R

\vec{A}=3 \hat{i}+4 \hat{j}

\vec{B}=6 \hat{i}+8 \hat{j}

A

B

\overrightarrow{\mathrm{A}}

\overrightarrow{\mathrm{B}}

{\cot ^{ - 1}}\left( 2 \right)