vectors-m

Related Questions

• If $\mathbf{p}=7\mathbf{i}-2\mathbf{j}+3\mathbf{k}$ and $\mathbf{q}=3\mathbf{i}+\mathbf{j}+5\mathbf{k},$ then the magnitude of $\mathbf{p}-2\mathbf{q}$ is

  ---

• If a, b, c are three vectors such that $\mathbf{a}=\mathbf{b}+\mathbf{c}$ and the angle between b and c is $\pi /2,$ then (Note : Here $a=\,\,|\mathbf{a}|,\,\,b=\,|\,\mathbf{b}|,\,\,c=\,|\mathbf{c}|)$

  ---

• P is a point on the side BC of the $\Delta \,ABC$ and Q is a point such that $\overrightarrow{PQ}$ is the resultant of $\overrightarrow{AP},\,\overrightarrow{PB},\,\overrightarrow{PC}.$ Then ABQC is a

  ---

• If $|\mathbf{a}|\,=2,\,\,|\mathbf{b}|\,=3$ and a, b are mutually perpendicular, then the area of the triangle whose vertices are $\mathbf{0},\,\,\mathbf{a}+\mathbf{b},\,\,\mathbf{a}-\mathbf{b}$ is

  ---

• If the force $\overrightarrow{F}=\mathbf{i}+2\mathbf{j}+3\mathbf{k}$ moves from $\mathbf{i}+\mathbf{j}-\mathbf{k}$ to $2\mathbf{i}-\mathbf{j}+\mathbf{k},$ then work done will be represented by

  ---