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Unit 1 - Periodic Motion and Wave Mechanics

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Lesson 1: Oscillatory Motion and Wave Mechanics — Lesson quiz

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  • Questions count: 2
  • Passing grade: 60%
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1.
If a vibrating body executes 120 oscillations in 2 seconds, its frequency and periodic time are:
30 Hz and 0.033 s
60 Hz and 60 s
60 Hz and 0.0167 s
120 Hz and 0.5 s
2.
What is the biochemical cause of continuous, non-relaxing muscle spasm that can cause muscular tearing?
Excessive breakdown of acetylcholine by the enzyme acetylcholinesterase.
Sudden accumulation of glucose inside glycogen granules.
Complete depletion of cellular ATP molecules, preventing cross-bridge detachment.
Abrupt accumulation of excessive calcium ions in the synaptic cleft.
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