The displacement of a particle, moving in a straight P line, is giv...

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The displacement of a particle, moving in a straight
P line, is given by \( s=2 t^{2}, 2 t=4 \) where \( s \) is in meters

W and \( t \) in seconds. The acceleration of the particle is
(1) \( 8 \mathrm{~m} / \mathrm{s} \)
(2) \( 5 \mathrm{~m} / \mathrm{s} \)
(3) \( 7 \mathrm{~m} / \mathrm{s} \)
(4) \( 4 \mathrm{~m} / \mathrm{s} \)
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