Login
Login
Register
Questions
Unanswered
Tags
Categories
Ask a Question
Ask a Question
Recent questions tagged vector
+3
votes
1
answer
In a triangle ABC, if cos A /a = cos B /b and ∠ C =30. If a = 2cm then area of ΔABC is
asked
Apr 7, 2019
in
Class 12
by
kratos
cbse
areas related to circles
class-10
class-12
icse
triangles
scalar or dot products
constructions
vector
+1
vote
1
answer
A force 4i - 3j + 2k passes through the point (–9, 2, 1). Find the component of moment of the force about the axis of reference.
asked
Apr 7, 2019
in
JEE
by
kratos
cross product
jee
jee mains
vector
class-12
+3
votes
1
answer
The distance of the point having position vector -i + 2j + 6k from the straight line passing through the point , 6i + 3j - 4k is :
asked
Apr 5, 2019
in
Class 12
by
kratos
class-12
vector algebra
scalar triple product
cross product
vector
cbse
scalar or dot products
+1
vote
1
answer
The position vectors of the points A,B,C and D are 3i - 2j - k, 2i + 3j - 4k, -i + j + 2k and 4i + 5j + λk, respectively.
asked
Apr 4, 2019
in
JEE
by
kratos
class-12
jee mains
scalar triple product
jee
vector
vectors
+1
vote
1
answer
Let vector a, b and c be three unit vectors such that vetor |a + b + c| = √3 and vector (a x b).(b x c) + (b x c).(c x a) + (c x a).(a x b) .
asked
Apr 4, 2019
in
JEE
by
kratos
vector algebra
cross product
jee
class-12
jee mains
scalar or dot products
vector
+2
votes
1
answer
Find the unit vector in the direction of vector AB if the position vectors of A, B are 2i + 4j - k, 4i +5j + k
asked
Apr 3, 2019
in
JEE
by
kratos
vector algebra
class-11
jee
scalar triple product
jee mains
vector
scalar or dot products
class-12
+3
votes
1
answer
Find the equation of the line, which makes intercepts – 3 and 2 on X and Y axes respectively.
asked
Apr 2, 2019
in
JEE
by
kratos
applications of derivatives
the plane
cbse
jee
class-9
3-d geometry
jee mains
vector
coordinate geometry
class-12
three dimensional geometry
+3
votes
1
answer
Find the magnitude of each of the vectors (vector) a and (vector) b, having the same magnitude such that the angle
asked
Apr 1, 2019
in
Class 12
by
kratos
vector algebra
cbse
class-12
scalar or dot products
vector
+3
votes
1
answer
The vectors λi + j +2k, i + λj - k and 2i - j +λk are coplanar if
asked
Mar 28, 2019
in
JEE
by
kratos
vector algebra
jee
vectors
scalar triple product
jee mains 2019
jee mains
vector
class-12
+2
votes
1
answer
Given a parallelogram OACB. The length of the vectors (OA , OB & AB) are a, b, & c respectively.
asked
Mar 26, 2019
in
JEE
by
kratos
jee
vector
3-d geometry
jee mains
+2
votes
1
answer
If vector a = 5i - j - 3k and vector b = i + 3j - 5k, then show that the vectors a + b and vector(a - b) are perpendicular.
asked
Mar 24, 2019
in
JEE
by
kratos
vector algebra
class-11
jee
vectors
class-12
jee mains
scalar or dot products
vector
+3
votes
1
answer
Find the vector components of the vector with initial point {2,1} and terminal point (-5, 7)
asked
Mar 24, 2019
in
Class 12
by
kratos
class-12
vector
cbse
vector algebra
+3
votes
1
answer
A particle has initial velocity, v = 3i + 4j and a constant force F = 4i - 3j acts on the particle. The path of the particle is :
asked
Mar 24, 2019
in
Class 12
by
kratos
neet
forces
vector algebra
class-11
jee
kinematics
jee mains
vector
motion in a plane
+2
votes
1
answer
Prove that the middle points of the diagonals of a complete quadrilateral lie on the same straight line.
asked
Mar 22, 2019
in
JEE
by
kratos
quadrilaterals
class-8
jee
class-12
class-10
jee mains
scalar or dot products
coordinate geometry
vector
+2
votes
1
answer
Let V be the volume of the parallelopiped formed by the vectors a = a1i + a2j + a3k, b = b1i + b2j + b3k and c =
asked
Mar 22, 2019
in
JEE
by
kratos
vector algebra
jee
vectors
scalar triple product
class-12
jee mains
vector
+1
vote
1
answer
If vector a, vector b and vector c are three unit vectors such that vector a .vector b = vector a.vector c = 0
asked
Mar 19, 2019
in
JEE
by
kratos
vector algebra
jee main 2020
applications of vector algebra
jee
scalar triple product
jee mains
vector
class-12
+3
votes
1
answer
Which one of the following human genes has the longest stretch of DNA (~24 Mb) ?
asked
Mar 18, 2019
in
Class 12
by
kratos
neet
cbse
cross product
aiims
class-11
biotechnology
vector
number systems
class-12
+1
vote
1
answer
Let p, q and r be three mutually perpendicular vectors of the same magnitude. If a vector x satisfies equation
asked
Mar 18, 2019
in
JEE
by
kratos
nda
vector algebra
class-11
jee
vectors
class-12
3-d geometry
jee mains
vector
+1
vote
1
answer
Find the volume of the parallelepiped whose edges are (1, 2, 1), (3, 2, 5), (1, 5, 7)
asked
Mar 16, 2019
in
Class 12
by
kratos
class-12
vector
applications of vector algebra
scalar triple product
+2
votes
1
answer
If (i, j, k) are three perpendicular unit vector, then the value of i · (j × k) + j · (i × k) + k (i × j) is which of the following ?
asked
Mar 14, 2019
in
JEE
by
kratos
jee main 2020
cross product
jee
jee mains 2019
class-12
jee mains
vector
To see more, click for the
full list of questions
or
popular tags
.