A (20-mathrm{kg}) child is sliding on an icy surface toward her mother at (3.0 mathrm{~m} / mathrm{s}).

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A \(20-\mathrm{kg}\) child is sliding on an icy surface toward her mother at \(3.0 \mathrm{~m} / \mathrm{s}\). Her \(68-\mathrm{kg}\) mother starts toward her at \(2.0 \mathrm{~m} / \mathrm{s}\), intending to catch her. What percentage of the original kinetic energy is convertible?

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