[" If "vec r" is a vector of magnitude "21" and has direction "],[" ratios,"2,-3" and "6," then find "vec r]

If vecr is a vector of magnitude 21 and has direction ratios 2, -3 and 6, then find vecr .

If vec r is a vector of magnitude 21 and has direction ratios 2,-3a n d6, then find vec rdot

If vec r is a vector of magnitude 21 and has direction ratios 2,-3a n d6, then find vec rdot

If a vector vec( r ) has magnitude 14 and direction ratios 2, 3, -6. Then find the direction cosines and components of vec( r ) , given that bar( r ) makes an acute angle with X - axis.

If vec a is a vectors of magnitude 3 pointing eastwards and vec b is vector of magnitude 7 pointing westwards find the magnitude and direction of vec a- vec b .

If vec(A) is a vector of magnitude 3 units due east. What is the magnitude and direction of a vector -4vec(A) ?

If vec(A) is a vector of magnitude 3 units due east. What is the magnitude and direction of a vector -4vec(A) ?

A vector vec( r ) has length 21 and directi9on ratio 2,-3,6 . Find the direction cosines and components of vec( r ) given that vec( r ) makes an acute angle with X- axis.

vec(A) is a vector with magnitude A, then the unit vector hat(A) in the direction vec(A) is

vec(A) is a vector with magnitude A, then the unit vector hat(A) in the direction vec(A) is