A body starts from rest and is uniformly accelerated for \( 30 \mathrm{~s} \). The distance trav....

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A body starts from rest and is uniformly accelerated for \( 30 \mathrm{~s} \). The distance travelled in the
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first \( 10 \mathrm{~s} \) is \( \mathrm{x}_{1} \), next \( 10 \mathrm{~s} \) is \( \mathrm{x}_{2} \) and the last \( 10 \mathrm{~s} \) is \( \mathrm{x}_{3} \). Then \( \mathrm{x}_{1}: \mathrm{x}_{2}: \mathrm{x}_{3} \) is the same as
(A) \( 1: 2: 4 \)
(B) \( 1: 2: 5 \)
(C) \( 1: 3: 5 \)
(D) \( 1: 3: 9 \)


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