17. Periodic Motion
Simple Harmonic Motion of Vertical Springs
Multiple Choice
Multiple ChoiceA chair of mass 30 kg on top of a spring oscillates with a period of 2s. (a) Find the spring's force constant. You place an object on top of the chair, and it now oscillates with a period of 3s. (b) Find the object's mass.
A
296 N/m; 1286.9 kg
B
188 N/m; 42.9 kg
C
188 N/m; 817.4 kg
D
296 N/m; 38.1 kg
346
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4:52m
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