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Byju's Answer
Standard IX
Physics
Concept of System
Three particl...
Question
Three particles A B And C of a system are in reat initially then they start to mve due mutual interactions, momentum of particle A and B are (2i + 3j) and (-4j + k) m/s respectively then the magnitude of momentum of particle C is
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Q.
Three particles
A
,
B
and
C
of masses
10
g
,
20
g
and
30
g
are initially moving with the velocity of
20
cm/s
each along the positive direction of the three coordinate axes
x
,
y
and
z
respectively. Due to their mutual interaction, particle
A
comes to rest. If the particle
B
has a velocity of
10
^
i
+
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then find the velocity of particle
C
.
Q.
Three particles
A
,
B
and
C
of masses
10
g
,
20
g
and
30
g
are initially moving with the velocity of
20
cm/s
each along the positive direction of the three coordinate axes
x
,
y
and
z
respectively. Due to their mutual interaction, particle
A
comes to rest. If the particle
B
has a velocity of
10
^
i
+
20
^
k
cm/s
then find the velocity of particle
C
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Q.
Three forces
2
i
+
3
j
−
6
k
,
2
i
+
3
j
−
4
k
and
i
−
j
+
k
are acting on a particle
(
0
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1
,
2
)
. the magnitude of the moment of forces about the point
(
1
,
−
2
,
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)
is
Q.
Three particles of mass
20
g
,
30
g
and
40
g
are initially moving along the positive direction of the three coordinate axes
x
,
y
and
z
respectively with the same of
20
c
m
/
s
. If due to their mutual interaction, the first particle comes to rest, the second acquires a velocity
^
1
0
i
+
^
2
0
k
.
what is the velocity (in
c
m
/
s
) of the third particle?
Q.
Three particles, each of mass
m
, are fixed at the vertices of an equilateral triangle of side length
a
. The only forces acting on the particles are their mutual gravitational forces. Then answer the following question.
Force acting on particle
C
, due to particle
A
and
B
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