Please answer ....... it's urgent.
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1
m
1
=
1
k
g
,
u
1
=
10
m
/
s
,
m
2
5
k
g
u
2
=
0
=
m
1
u
1
+
m
2
u
2
P
1
=
1
×
10
+
5
×
0
=
10
k
g
m
/
s
P
2
=
P
1
=
10
k
g
m
/
s
P
2
=
(
m
1
+
m
2
)
v
,
v
=
p
2
m
1
+
m
2
=
10
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