vectors-m

Related Questions

• If $\hat{i}, \hat{j}, \hat{k}$ are unit vectors, then

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• If the scalar projection of the vectors $x\mathbf{i}-\mathbf{j}+\mathbf{k}$on the vector $2\mathbf{i}-\mathbf{j}+5\mathbf{k}$ is $\frac{1}{\sqrt{30}}$then value of x is equal to

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• $|\mathbf{a}\times \mathbf{i}{{|}^{2}}+|\mathbf{a}\times \mathbf{j}{{|}^{2}}+|\mathbf{a}\times \mathbf{k}{{|}^{2}}=$

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• The vectors a and b are non-collinear. The value of x for which the vectors $\mathbf{c}=(x-2)\,\mathbf{a}+\mathbf{b}$ and $\mathbf{d}=(2x+1)\,\mathbf{a}-\mathbf{b}$ are collinear, is

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• If the resultant of two forces of magnitudes P and Q acting at a point at an angle of ${{60}^{o}}$ is $\sqrt{7}Q,$ then P/Q is

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