A 14 kilogram hawk traveling west at 15 meter per second, Ask an Expert

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A 1.4 kilogram hawk, traveling west at 15 meter per second, seizes a 0.20 kilogram dove. Just before being seized, the dove was flying east. Just after catching the dove, the hawk's speed is 12 meter per second, and it is still moving west. Determine what was the speed of the dove just before it was seized?

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