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Recent questions tagged p440
Questions
Find the position vector of a point $R$ which divides the line joining two points $P$ and $Q$ whose position vectors are $ \hat i + 2\hat j − \hat k$ and $– \hat i + \hat j + \hat k$ respectively, in the ratio $2 : 1$ externally
cbse
class12
bookproblem
ch10
sec2
q15
q15-2
p440
sec-b
medium
math
asked
May 20, 2013
by
sreemathi.v
1
answer
Compute the magnitude of the following vectors: $(iii)\;\overrightarrow c = \large\frac{1}{\sqrt 3}$$\hat i +\large \frac{1}{\sqrt 3}$$\hat j - \large\frac{1}{\sqrt 3}$$\hat k$
cbse
class12
bookproblem
ch10
sec2
q1
q1-3
p440
sec-a
easy
math
asked
May 16, 2013
by
sreemathi.v
1
answer
Compute the magnitude of the following vectors: $(ii)\; \overrightarrow b = 2\hat i - 7 \hat j - 3\hat k $
cbse
class12
bookproblem
ch10
sec2
q1
q1-2
p440
sec-a
easy
math
asked
May 16, 2013
by
sreemathi.v
1
answer
Compute the magnitude of the following vectors: $(i)\;\overrightarrow a = \hat i + \hat j + \hat k$
cbse
class12
bookproblem
ch10
sec2
q1
q1-1
p440
sec-a
easy
math
asked
Dec 6, 2012
by
thanvigandhi_1
1
answer
Write two different vectors having same magnitude.
cbse
class12
bookproblem
ch10
sec2
q2
p440
easy
sec-a
math
asked
Dec 6, 2012
by
thanvigandhi_1
1
answer
Write two different vectors having same direction.
cbse
class12
bookproblem
ch10
sec2
q3
p440
easy
sec-a
math
asked
Dec 6, 2012
by
thanvigandhi_1
1
answer
Find the values of $x$ and $y$ so that the vectors $2\hat i + 3\hat j$ and $x\hat i + y\hat j$ are equal.
cbse
class12
bookproblem
ch10
sec2
q4
p440
easy
sec-a
math
asked
Dec 6, 2012
by
thanvigandhi_1
1
answer
Find the scalar and vector components of the vector with initial point $(2, 1)$ and terminal point $(– 5, 7).$
cbse
class12
bookproblem
ch10
sec2
q5
p440
medium
sec-a
math
asked
Dec 6, 2012
by
thanvigandhi_1
1
answer
Find the sum of the vectors $\overrightarrow a=\hat i − 2\hat j + \hat k, \overrightarrow b=−2\hat i + 4\hat j + 5\hat k$ and $\overrightarrow c = \hat i − 6\hat j – 7\hat k$ .
cbse
class12
bookproblem
ch10
sec2
q6
p440
easy
sec-a
math
asked
Dec 6, 2012
by
thanvigandhi_1
1
answer
Find the unit vector in the direction of the vector $ \overrightarrow a = \hat i + \hat j + 2\hat k$ .
cbse
class12
bookproblem
ch10
sec2
q7
p440
easy
sec-a
math
asked
Dec 6, 2012
by
thanvigandhi_1
1
answer
Find the unit vector in the direction of vector $ \overline{PQ}$, where $P$ and $Q$ are the points $(1, 2, 3)$ and $(4, 5, 6)$ respectively.
cbse
class12
bookproblem
ch10
sec2
q8
p440
easy
sec-a
math
asked
Dec 6, 2012
by
thanvigandhi_1
1
answer
For given vectors, $ \overrightarrow a=2\hat i − \hat j + 2\hat k$ and $ \overrightarrow b=−\hat i + \hat j − \hat k$, find the unit vector in the direction of the vector $ \overrightarrow a +\overrightarrow b.$
cbse
class12
bookproblem
ch10
sec2
q9
p440
easy
sec-a
math
asked
Dec 6, 2012
by
thanvigandhi_1
1
answer
Find a vector in the direction of vector $5\hat i − \hat j + 2\hat k$ which has magnitude $8$ units.
cbse
class12
bookproblem
ch10
sec2
q10
p440
easy
sec-a
math
asked
Dec 6, 2012
by
thanvigandhi_1
1
answer
Show that the vectors \(2\hat i − 3\hat j + 4\hat k\) and \(− 4\hat i + 6\hat j − 8\hat k\) are collinear.
class12
bookproblem
ch10
sec2
q11
p440
easy
sec-a
asked
Dec 6, 2012
by
thanvigandhi_1
1
answer
Find the direction cosines of the vector $\hat i + 2\hat j + 3\hat k$
cbse
class12
bookproblem
ch10
sec2
q12
p440
easy
sec-a
math
asked
Dec 6, 2012
by
thanvigandhi_1
1
answer
Find the direction cosines of the vector joining the points $A(1, 2, –3)$ and $B(–1, –2, 1),$ directed from $A$ to $B$.
cbse
class12
bookproblem
ch10
sec2
q13
p440
easy
sec-a
math
asked
Dec 6, 2012
by
thanvigandhi_1
1
answer
Show that the vector $ \hat i + \hat j + \hat k$ is equally inclined to the axes OX, OY and OZ.
cbse
class12
bookproblem
ch10
sec2
q14
p440
medium
sec-b
math
asked
Dec 6, 2012
by
thanvigandhi_1
1
answer
Find the position vector of a point $R$ which divides the line joining two points $P$ and $Q$ whose position vectors are $ \hat i + 2\hat j − \hat k$ and $ – \hat i + \hat j + \hat k$ respectively, in the ratio $2 : 1$ internally
cbse
class12
bookproblem
ch10
sec2
q15
q15-1
p440
medium
sec-b
math
asked
Dec 6, 2012
by
thanvigandhi_1
1
answer
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