When the anti nodes are all at their extreme displacements:
Correct answer: B. The energy stored is completely potential
- A. The energy stored is completely kinetic
- B. The energy stored is completely potential
- C. The energy stored is kinetic and potential
- D. The energy stored is wholly chemical
Explanation
In the case of Simple Harmonic Motion, displacement is inversely proportional to velocity. When displacement is maximum, velocity will be zero hence the "energy held will be potential" as it is associated with a change in position.
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About Waves
Progressive waves transfer energy through oscillations, with wavelength, frequency, amplitude and wave speed related by v = fλ; sound speed depends on the medium. Superposition produces interference and stationary waves in strings and organ pipes, while simple harmonic motion describes the oscillation itself and must be distinguished from wave propagation.
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