Position of a particle in a rectangular-co-ordinate system is $(3, 2, 5)$. Then its position vector will be
Position of a particle in a rectangular-co-ordinate system is $(3, 2, 5)$. Then its position vector will be
- A
$3\hat i + 5\hat j + 2\hat k$
- B
$3\hat i + 2\hat j + 5\hat k$
- C
$5\hat i + 3\hat j + 2\hat k$
- D
None of these
Similar Questions
$0.4\hat i + 0.8\hat j + c\hat k$ represents a unit vector when $c$ is
$0.4\hat i + 0.8\hat j + c\hat k$ represents a unit vector when $c$ is
When it is needed to use vector ?
When it is needed to use vector ?
If $A = 3\hat i + 4\hat j$ and $B = 7\hat i + 24\hat j,$the vector having the same magnitude as $B$ and parallel to $A$ is
If $A = 3\hat i + 4\hat j$ and $B = 7\hat i + 24\hat j,$the vector having the same magnitude as $B$ and parallel to $A$ is
Find the unit vector of a vector whose co-ordinates are $(8,\, 6)$.
Find the unit vector of a vector whose co-ordinates are $(8,\, 6)$.
State, for each of the following physical quantities, if it is a scalar or a vector : volume, mass, speed, acceleration, density, number of moles, velocity, angular frequency, displacement, angular velocity.
State, for each of the following physical quantities, if it is a scalar or a vector : volume, mass, speed, acceleration, density, number of moles, velocity, angular frequency, displacement, angular velocity.