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Figure shows x-t graph of a particle. Fi...

Figure shows x-t graph of a particle. Find the Time T Such that the Average Velocity of the Particle During the Period 0 to T is Zero..

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The correct Answer is:
A, B
Consider the point `B_1` at =12 sec
At t=0
S=20 m
and at t=12 sec
S=20 m`
So for time interval 0 to 12 sec change in displacement is zero.
`:. Average velocity = displacement/time = 0`.
Hence the time is 12 sec.
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