A particle is moving along \( x \)-axis such that P \( x=2-5 t+6 t^...

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A particle is moving along \( x \)-axis such that
P \( x=2-5 t+6 t^{2} \). What is acceleration of the particle

W when its velocity is zero?
(1) Zero
(2) \( 12 \mathrm{~m} / \mathrm{s}^{2} \)
(3) \( -5 \mathrm{~m} / \mathrm{s}^{2} \)
(4) \( 5 / 12 \mathrm{~m} / \mathrm{s}^{2} \)
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