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Puck A is launched by Spring A across a level, frictionless sheet of ice, as shown...

Puck A is launched by Spring A across a level, frictionless sheet of ice, as shown in the Diagram for Question 8 in the “Final Exam Formulas and Diagrams” document. An identical Puck B is launched by Spring B, which is initially compressed through the same distance as Spring A was but gives Puck B a launch speed four times higher than Puck A’s. By what factor is the spring constant of Spring B larger than that of Spring A?

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