Two identical balls \( A \) and \( B \) having velocities of \( 0.5 \mathrm{~m} / \mathrm{s} \) ...

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Two identical balls \( A \) and \( B \) having velocities of \( 0.5 \mathrm{~m} / \mathrm{s} \) and \( -0.3 \mathrm{~m} / \mathrm{s} \) respectively collide elastically in one dimension. The velocities of \( B \) and \( A \) after the collision respectively will be
[NEET (Phase-II) 2016]
(a) \( 0.3 \mathrm{~m} / \mathrm{s} \) and \( 0.5 \mathrm{~m} / \mathrm{s} \)
(b) \( -0.5 \mathrm{~m} / \mathrm{s} \) and \( 0.3 \mathrm{~m} / \mathrm{s} \)
(c) \( 0.5 \mathrm{~m} / \mathrm{s} \) and \( -0.3 \mathrm{~m} / \mathrm{s} \)
(d) \( -0.3 \mathrm{~m} / \mathrm{s} \) and \( 0.5 \mathrm{~m} / \mathrm{s} \)
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