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A green archer aims his arrow at a blue eagle. He pulls the
bow back 50.5 cm and holds it in position with a force of
134.7. Assume that the force of a bow on an arrow
behaves like the spring force. If the mass of the arrow is
51.2 g and the "spring" is massless, what is the speed of
the arrow in m/s immediately after it leaves the bow?

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