A second ball is dropped down from an elevator accelerating up with \( 1 \mathrm{~m} / \mathrm{s...

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A second ball is dropped down from an elevator accelerating up with \( 1 \mathrm{~m} / \mathrm{s}^{2}, 1 \) second after the first ball is dropped. How does the relative velocity of the two balls change with time. How the ratio \( v_{1} / v_{2} \) change with time.
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