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An object \( \mathrm{A} \) is moving with \( 10 \mathrm{~m} / \mathrm{s} \) and \( \mathrm{B} \) is moving with \( 5 \mathrm{~m} / \mathrm{s} \) in the same direction of positive \( x \)-axis. A is
\( \mathrm{P} \) \( 100 \mathrm{~m} \) behind \( B \) as shown. Find time taken by \( A \) to

W Meet B
(1) \( 18 \mathrm{sec} \).
(2) \( 16 \mathrm{sec} \).
(3) \( 20 \mathrm{sec} \).
(4) \( 17 \mathrm{sec} \).
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