Scalars and Vectors

A bus is moving on a straight road towards north with a uniform speed of  $50 \mathrm{km} {\mathrm{h}}^{-1}$  turns through  $90°$ anticlockwise. If the speed remains unchanged after turning , the increase in the velocity of bus in the turning process is:

What is antiparallel vectors?

Which of the following is an example of vector quantity?

A _______ charge is defined as the amount of electric charge transported by one-ampere current in one second from one point to anther

Which of the following is used for measuring long time intervals?

If vectors $\overrightarrow{A}=\hat{\mathrm{i}}+3\hat{\mathrm{j}}+2\hat{\mathrm{k}}$ and $\overrightarrow{B}=3\hat{\mathrm{i}}+\hat{\mathrm{j}}+2\hat{\mathrm{k}}$ then find value of $\overrightarrow{A}\times \overrightarrow{B}$..

Convert the vector $\overrightarrow{r}=3\stackrel{\wedge }{i}+2\stackrel{\wedge }{j}$ into a unit vector.

When two right-angled vectors of magnitude $7 \mathrm{units} and 24 \mathrm{units}$ combine, what is the magnitude of their resultant?

If  $\left(\stackrel{\rightharpoonup }{V_1}\right) = 3\widehat{i } +4\widehat{j }+\hat{k} and \left(\stackrel{\rightharpoonup }{V_2}\right) = \widehat{i } -\widehat{j }-\hat{k}$then determine magnitude of $\left(\stackrel{\rightharpoonup }{V_1}\right) +\left(\stackrel{\rightharpoonup }{V_2}\right)$.

Vector $A$has a magnitude of $10$ units and makes an angle of $30°$ with the positive x-axis. Vector $B$ has a magnitude of $20$ units and makes an angle of $30°$ with the negative x-axis. What is the magnitude of the resultant between these two vectors?

Find the magnitude of the vector $2 \hat{i}+3 \hat{j}+4 \hat{k}$.

The value of x for which $x.\left(\hat{\text{i}}+\hat{\text{j}}+\hat{k}\right)$ is a unit vector is 

In a three-dimensional system, the position coordinates of a particle (in motion) are given below $x=a\cos \omega t, y=a\sin \omega t, z=a\omega t$. The velocity of the particle will be

A unit vector is represented as $\left(0.8\hat{\mathrm{i}}+b\hat{\mathrm{j}}+0.4\hat{\mathrm{k}}\right)$. The value of $b$ must be,

Vector $A$has a magnitude of $10$ units and makes an angle of $30°$ with the positive x-axis. Vector $B$ has a magnitude of $20$ units and makes an angle of $30°$ with the negative x-axis. What is the magnitude of the resultant between these two vectors?

For the resultant of the two vectors to be maximum, what must be the angle between them?

$\overrightarrow{\mathrm{A}}$ and $\overrightarrow{\mathrm{B}}$ are two vectors in a plane and $\overrightarrow{\mathrm{C}}$ is third vector perpendicular to the plane. Their resultant

The splitting of vectors into components is called

Two forces $F_1=1\mathrm{ }\mathrm{N}$ and $F_2=2\mathrm{ }\mathrm{N}$ act along the lines $x=0$ and $y=0$, respectively. Then the resultant of forces would be

Mass is a _____(scalar/ vector) quantity.