The vector veca=1/4(2hati-2hatj+hatk) (A...

The vector `veca=1/4(2hati-2hatj+hatk)` (A) is a unit vector (B) makes an angle of `pi/3` with the vector `(hati+1/2 hatj-hatk)` (C) is parallel to the vector `7/4hati-7/4hatj+7/8hatk` (D) none of these

Similar Questions

Explore conceptually related problems

A vector coplanar with vectores hati + hatj and hatj + hatk and parallel to the vector 2 hati - 2 hatj - 4 hatk is

If a vector 2hati +3hatj +8hatk is perpendicular to the vector 4hati -4hatj + alphahatk, then the value of alpha is

Find the projection of the vector hati-2hatj+hatk on the vector 4hati-4hatj+7hatk .

find the projection of the vector hati+3hatj+7hatk on the vector 7hati-hatj+8 hatk

The projection of the vector vecA = hat - 2hatj + hatk on the vector vecB = 4hati - 4hatj + 7hatk is

Find the projection of the vector veca=3hati+2hatj-4hatk on the vector vecb=hati+2hatj+hatk .

If a vector (2hati+3hatj+ 8hatk) is perpendicular to the vector (4hatj-4hati+alpha hatk) , then find the value of alpha is