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THIS IS A PRACTICE ASSESSMENT. Show formulas, substitutions, answers (in spaces provided) and units! A 2.0-kg mass is attached to a horizontal spring having a spring constant of 0.50 Nm-1. If set in oscillation the time for a single cycle is 12.6 s. 1. The mass is pulled 4.0 cm in the positive x-direction before release, as shown. ................
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