Find the magnitude of the vector `vec(a)=(3hati+4hatj)xx(hati+hatj-hatk)`.
Text Solution
Verified by Experts
The correct Answer is:
`sqrt(74)`
Topper's Solved these Questions
VECTOR ALGEBRA
KUMAR PRAKASHAN|Exercise EXERCISE-10.1|5 Videos
VECTOR ALGEBRA
KUMAR PRAKASHAN|Exercise EXERCISE-10.2|21 Videos
THREE DIMENSIONAL GEOMETRY
KUMAR PRAKASHAN|Exercise PRACTICE PAPER -11|16 Videos
Similar Questions
Explore conceptually related problems
Find the sum of the vectors veca=hati-2hatj+hatk,vecb=-2hati+4hatj+5hatkandvecc=hati-6hatj--7hatk .
Find the direction cosines of the resultant of the vectors (hati+hatj+hatk),(-hati+hatj+hatk),(hati-hatj+hatk) and (hati+hatj-hatk) .
Compute the magnitude of the following vectors : veca=hati+hatj+k,vecb=2hati-7hatj-3hatk,vecc=(1)/(sqrt(3))hati+(1)/(sqrt(3))hatj-(1)/(sqrt(3))hatk
Find the angle between the vector 2hati-3hatj+hatk and hati+hatj-2hatk .
Find the area of the triangle formed by the tips of the vectors vec(a) = hati - hatj - 3hatk, vec(b) = 4hati - 3hatj +hatk and vec(c) = 3 hati - hatj +2 hatk .
Find the angle between the vectors 2hati-hatj+hatk and 3hati+4hatj-hatk .
Measure of the angle between the vector vec(a)=hati-hatj+hatk and vec(b)=hati+hatj+hatk is …………..
Find the area of the parallelogram whose adjacent sides are determined by the vectors vec(a)=hati-hatj+3hatk and vec(b)=2hati-7hatj+hatk .
KUMAR PRAKASHAN-VECTOR ALGEBRA -Practice Paper - 10 (Section-D)
