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Byju's Answer
Standard IX
Physics
Distance-Time Graphs
What is the v...
Question
What is the value of linear velocity, if = 3i-4j+k and r=5i-6j+6k
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Similar questions
Q.
If the position vectors of the vertices of a triangle be 6i + 4j + 5k, 4i + 5j + 6k and 5i + 6j + 4k then the triangle is
Q.
Prove that the position vectors
4
i
+
5
j
+
6
k
,
5
i
+
6
j
+
4
k
,
&
6
i
+
4
j
+
5
k
form an equilateral triangle.
Q.
Find the area of the parallelogram whose diagonals are:
(i)
4
i
^
-
j
^
-
3
k
^
and
-
2
j
^
+
j
^
-
2
k
^
(ii)
2
i
^
+
k
^
and
i
^
+
j
^
+
k
^
(iii)
3
i
^
+
4
j
^
and
i
^
+
j
^
+
k
^
(iv)
2
i
^
+
3
j
^
+
6
k
^
and
3
i
^
-
6
j
^
+
2
k
^
Q.
What is the projection of
(
3
i
+
2
j
−
6
k
)
onto
(
3
i
−
4
j
+
4
k
)
Q.
Let
A
→
=
5
i
→
-
4
j
→
a
n
d
B
→
=
-
7
·
5
i
→
+
6
j
→
. Do we have
B
→
=
k
A
→
? Can we say
B
→
A
→
= k?
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