Let vecu= hati + hatj , vecv = hati -hat...

Let `vecu= hati + hatj , vecv = hati -hatja and hati -hatj and vecw =hati + 2hatj + 3 hatk` If ` hatn` isa unit vector such that `vecu .hatn=0 and vecn .hatn =0 , " then " |vecw.hatn|` is equal to

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

VECTORS
MARVEL PUBLICATION|Exercise PREVIOUS YEARS MHT-CET EXAM QUESTIONS|10 Videos
VECTORS
MARVEL PUBLICATION|Exercise TEST YOUR GRASP|20 Videos
TRIGONOMETRIC FUNCTIONS
MARVEL PUBLICATION|Exercise TEST YOUR GRASP: CHAPTER 3-3.3|13 Videos

Similar Questions

Explore conceptually related problems

Let vecu= hati+hatj, vecv = hati -hatj and vecw = hati+2hatj+3hatk . If hatn is a unit vector such that vecu.hatn =0 and vecv.hatn=0 then find the value of |vecw.hatn|

Let vecu=hai+hatj,vecv=hati-hatj and vecw=hati+2hatj+3hatk . If hatn isa unit vector such that vecu.hatn=0 and vecv.hatn=0, |vecw.hatn| is equal to (A) 0 (B) 1 (C) 2 (D) 3

Let vec(U)=hati,hatj,vecV=hati-hatjand vec(W)=3hati+5hatj+3hatk. If hat(n) =0 then |vecW.hatn| is equal to

Given that vecu = hati + 2hatj + 3hatk , vecv = 2hati + hatk + 4hatk , vecw = hati + 3hatj + 3hatk and (vecu.vecR - 15) hati + (vecc. vecR - 30) hatj + (vecw . vec- 20) veck = vec0 . Then find the greatest integer less than or equal to |vecR| .

Let veca=hati + hatj +hatk,vecb=hati- hatj + hatk and vecc= hati-hatj - hatk be three vectors. A vectors vecv in the plane of veca and vecb , whose projection on vecc is 1/sqrt3 is given by

If the vectors 2hati-3hatj+4hatk and hati+2hatj-hatk and m hati - hatj+2hatk are coplanar, then the value of m is

If a=hati+2hatj+3hatk,b=-hati+2hatj+hatk and c=3hati+hatj , then the unit vector along its resultant is

MARVEL PUBLICATION-VECTORS-TEST YOUR GRASP

Let vecu= hati + hatj , vecv = hati -hatja and hati -hatj and vecw =ha...
Text Solution
|
If ABCDEF is a regular hexagon , then bar(AB) + bar(AC) + bar(AE) + ...
Text Solution
|
If the origin is the centroid of a triangle ABC having vertices A(a ,1...
Text Solution
|
If alpha,beta ,gamma are direction angles of a line , then cos 2alpha ...
Text Solution
|
If |bar(u)| = sqrt(3) and bar(u) is equally inclined to co - ordinate...
Text Solution
|
If vectors 2i-j+k,i+2j-3k and 3i+aj+5k are coplaner, then a=
Text Solution
|
If bara.i = 4, then bara.[j xx (2j - 3k)]=
Text Solution
|
The vector bar(AB)=3hati+4hatk and bar(AC)=5hati-2hatj+4hatk are the s...
Text Solution
|
If veca vecb are non zero and non collinear vectors, then [(veca, vecb...
Text Solution
|
If bara,barb,barc are non-coplaner vectors and barp=(barbxxbarc)/([bar...
Text Solution
|
If direction ratios of two lines are 2,-6,-3 and 4,3,-1 then directi...
Text Solution
|
If the volumes of parallelepiped with coterminus edges -pj+5k,i-j+qk a...
Text Solution
|
A line makes 45^(@) with OX, and equal angles with OY and OZ. Then the...
Text Solution
|
If the points with position vectors -i + 3j + 2k , -4i + 2j - 2k and 5...
Text Solution
|
If bara.barb=barb.barc=barc.bara=0 and bara,barb,barc form a right-han...
Text Solution
|
If bara,barb,barc are non-coplaner vectors, then (bara.(barbxxbarc))/...
Text Solution
|
i · (j xx k) + j · (k xx i) + k · (i xx j ) =
Text Solution
|
If bara=2i+3j-k,barb=-i+2j-4k and barc=i+j+k, then (baraxxbarb).(barax...
Text Solution
|
If vectors 2hati-hatj+hatk ,hati+2hatj-3hatk and 3hati+mhatj+5hatk are...
Text Solution
|
2i · (j xx k) - 3j · (i xx k) - 4k · (i xx j) =
Text Solution
|
If vectors bara,barb,barc are non-coplaner, then ([bara+2barb barb+2...
Text Solution
|