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Byju's Answer
Standard IX
Physics
Velocity-Time Graphs
Velocity-time...
Question
Velocity-time graph for a train is shown in figure. Find its retardation in the last
5
m
i
n
:
A
200
m
s
−
2
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B
200
m
m
i
n
−
2
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C
100
m
m
i
n
−
2
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D
None of these
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Solution
The correct option is
B
200
m
m
i
n
−
2
Retardation in the last
5
m
i
n
=
−
(slope of the line BC)
=
−
B
E
E
C
=
−
(
0
−
1000
)
(
35
−
30
)
=
−
−
1000
5
=
200
m
.
m
i
n
−
2
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