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Mathematics 21 Online
OpenStudy (anonymous):

The mechanical energy of an ideal mass-spring oscillating system starts at 100 joules for a given amplitude. Determine the new mechanical energy of the system. 1) Amplitude is cut in half -> Energy? 2) Amplitude is increased by 30% -> Energy? 3) Amplitude is decreased by 30% -> Energy? I know that energy is proportional to amplitude^2.

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