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Question
Physics
Position-time graph for a particle is shown in figure. Starting from t=0, at what time t, the average velocity is zero?
Q. Position-time graph for a particle is shown in figure. Starting from
t
=
0
, at what time
t
, the average velocity is zero?
1682
225
Motion in a Straight Line
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A
1 s
B
3 s
C
6 s
D
7 s
Solution:
If we look at the graph very carefully at
t
=
0
,
x
=
6
m
The average velocity will be zero if it comes back to the initial position.
It is evident that at
t
=
6
s
,
x
=
6
m
So,
v
av
at
t
=
6
s
is zero.