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A rubber band stretched between two pegs is flicked and the twang vanishes almost instantly with barely any sustain.

C1-3-06 Steady State · sound_persistence principle: Attenuation & Decay (Mechanics)
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Per-prompt rubric

Basic standards

Visual presence

  • a rubber band
  • two pegs

Event: a rubber band is flicked between two pegs

Audio presence

  • a rubber band

Sound: rubber band twang

Key standards

Visual physical commonsense (V-PC)

  • The rubber band is visibly flicked once while stretched taut between two pegs.

Audio physical commonsense (A-PC)

  • The twang decays to silence almost immediately after onset, with negligible sustain.
  • The sound has the crisp twang timbre of a plucked elastic band.

Cross-modal physical commonsense (AV-PC)

  • The twang onset aligns temporally with the visible flick of the rubber band.