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NEET 2022 Model Paper 6
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© examsnet.com
Question : 3
Total: 200
A body starts moving from rest with uniform acceleration. The velocity of a body after
t
second is
v
. The displacement of the body in last two second will be (
t
is total time of journey)
2
v
(
1
−
1
t
)
v
(
1
+
1
t
)
3
v
(
1
−
1
2
t
)
3
v
(
1
+
1
2
t
)
Validate
Solution:
v
=
u
+
a
t
a
=
v
t
S
1
=
1
2
a
(
t
−
2
)
2
S
2
=
1
2
a
t
2
Required displacement
=
S
2
−
S
1
=
1
2
a
t
2
−
1
2
a
(
t
−
2
)
2
=
2
a
t
−
2
a
=
2
a
(
t
−
1
)
=
2
v
t
(
t
−
1
)
=
2
v
(
1
−
1
t
)
© examsnet.com
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