The engine of a motor cycle can produce a maximum acceleration \( 5 \mathrm{~m} / \mathrm{s}^{2}...

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The engine of a motor cycle can produce a maximum acceleration \( 5 \mathrm{~m} / \mathrm{s}^{2} \). It \( \mathrm{s} \) brakes can produce a maximum retardation \( 10 \mathrm{~m} / \mathrm{s}^{2} \). What is the minimum time in which it can cover a distance of \( 1.5 \mathrm{~km} \) ?
(A) \( 5 \mathrm{~s} \)
(B) \( 10 \mathrm{~s} \)
(C) \( 15 \mathrm{~s} \)
(D) \( 30 \mathrm{~s}^{\circ} \)
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