A vector ` vec r` is inclined at equal to `O X ,O Ya n dO Zdot` If the magnitude of ` vec r` is 6 units, find ` vec rdot`

A vector vec r is inclined at equal angle to the three axes.If the magnitude of vec r is 2vec 3, find vec r.

A vector vec r is inclined at equal acute angles of x-axis,y-axis and z-axis. if |vec r|=6 units,find vec r .

The vector vec r is inclined at equal acute angles of x -axis,and z -axis.If |vec r|=6 units,find vec r .

The resultant of two vectors vec A and vec B perpendicular to the vector vec A and its magnitude id equal to half of the magnitude of the vector vec B . Find out the angle between vec A and vec B .

The direction cosines of a vector vec r, which is equally inclined to OX,OY and OZ If |vec r| is given,the total number of such vectors is given by

Two vectors vec P and vec Q are inclinded to each other at 60^(@) . The magnitude of vec P and vec Q are 10 and 15 units respectively. What is the angle (alpha) made by their resultant vec R" with "vec P ?

Three vectors vec A,vec B and vec C are related as vec A+vec B=vec C .If vector vec C is perpendicular to vector vec A and the magnitude of vec C is equal to the magnitude of vec A, what will be the angle between vectors vec A and vec B .

A vector vec r is inclined to x -axis at 45^(@) and y - axis at 60^(@)* If |vec r|=8 units,find vec r .

Two vectors vec A and vec B have equal magnitudes. If magnitude of vec A-vec B is equal to (n) times the magnitude of vec A-vec B , then angle between vec A and vec B is ?

Two vectors vec A and vec B have equal magnitudes.If magnitude of (vec A+vec B) is equal to n xx of the magnitude of (vec A-vec B) then the angle between vec A and vec B is :