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

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The engine of a motorcycle can produce a maximum
P acceleration \( 5 \mathrm{~m} / \mathrm{s}^{2} \). Its brakes can produce a

W maximum retardation \( 10 \mathrm{~m} / \mathrm{s}^{2} \). What is the minimum time in which it can cover a distance of \( 1.5 \mathrm{~km} \)
(1) \( 30 \mathrm{sec} \)
(2) \( 15 \mathrm{sec} \)
(3) \( 10 \mathrm{sec} \)
(4) \( 5 \mathrm{sec} \)
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