Two balls are dropped from the same point after an interval of \( 1 \mathrm{~s} \). If accelerat...

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Two balls are dropped from the same point after an interval of \( 1 \mathrm{~s} \). If acceleration due to gravity is \( 10 \mathrm{~m} / \mathrm{s}^{2} \), what will be their separation 3 seconds after the release of first ball ?
(A) \( 5 \mathrm{~m} \)
(B) \( 10 \mathrm{~m} \)
(C) \( 25 \mathrm{~m} \)
(D) \( 30 \mathrm{~m} \)
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