CATapult!

A \(9 \mathrm{kg}\) cat (including armor, so he isn't hurt by this) is launched at \(70 \mathrm{\frac{m}{s}}\) at an unsuspecting enemy. The enemy has a mass of \(63 \mathrm{kg}\). Assuming a conservation of energy, with the cat retaining no energy, at what speed is the enemy bowled over? (Use units of \(\mathrm{\frac{m}{s}}\) and round to the nearest hundredth.)

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