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Periodic motion (A-level only)

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Question 40

A micro-electromechanical system (MEMS) cantilever sensor of effective mass MMM undergoes simple harmonic motion. The sensor has a total mechanical energy EEE and oscillates with a time period TTT.

Show that the amplitude of the oscillation, X0X_0X0​, is given by:

X0=T2π2EM X_0 = \frac{T}{2\pi} \sqrt{\frac{2E}{M}} X0​=2πT​M2E​​
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Periodic motion (A-level only) Questions

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