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KEAM 2017 Physics and Chemistry Paper
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© examsnet.com
Question : 36
Total: 120
The x-t plot shown in the figure below describes the motion of the particle, along x-axis, between two positions A and B. The particle passes through two intermediate points
P
1
and
P
2
as shown in the figure
The instantaneous velocity is positive at
P
1
and negative at
P
2
The instantaneous velocity is negative at both
P
1
and
P
2
The instantaneous velocity is negative at
P
1
and positive at
P
2
The instantaneous velocity is positive at both
P
1
and
P
2
The instantaneous velocity is always positive
Validate
Solution:
According to the figure, the displacement at point
P
1
is increasing. so velocity at
P
1
will be positive.
At point
P
2
, displacement is decreasing, so the instantaneous velocity will be negative.
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