"At t = 0, a 785-g mass at rest on the end of a
Chapter 14, Problem 14.39(choose chapter or problem)
"At t = 0, a 785-g mass at rest on the end of a horizontalspring (k = 184 N/m) is struck by a hammer whichgives it an initial speed of 2.26 m/s. Determine (a) theperiod and frequency of the motion, (b) the amplitude,(c) the maximum acceleration, (d) the position as a functionof time, (e) the total energy, and ( /) the kinetic energy whenx = 0.40A where A is the amplitude."
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