For a particle moving along the \( x \)-axis, \( x-t \) graph is as given in figure. Mark the co...

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For a particle moving along the \( x \)-axis, \( x-t \) graph is as given in figure. Mark the correct statement(s).
(1) Initial velocity of the particle is zero.
(2) For \( B C \), acceleration is positive and for \( \mathrm{DE} \), acceleration is negative.
(3) For \( E F \), the acceleration is positive.
(4) Velocity becomes zero three times in the motion
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