A particle starting from rest undergoes acceleration given by \( a=...

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A particle starting from rest undergoes acceleration given by \( a=|t-2| \mathrm{m} / \mathrm{s}^{2} \) where \( t \) is time in see. Velocity of particle after \( 4 \mathrm{sec} \) is:
(1) \( 1 \mathrm{~m} / \mathrm{s} \)
(2) \( 2 \mathrm{~m} / \mathrm{s} \)
(3) \( 8 \mathrm{~m} / \mathrm{s} \)
(4) \( 4 \mathrm{~m} / \mathrm{s} \)
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