A rocket is fired vertically upwards and moves with net acceleration of \( 10 \mathrm{~m} / \mat...

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A rocket is fired vertically upwards and moves with net acceleration of \( 10 \mathrm{~m} / \mathrm{s}^{2} \). After \( 1 \mathrm{~min} \) the fuel is exhausted. The time taken by it to reach the highest point after the fuel is exhausted will be :
(A) \( 10 \mathrm{sec} \)
(B) \( 20 \mathrm{sec} \)
(C) \( 30 \mathrm{sec} \)
(D) \( 60 \mathrm{sec} \)
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