alleryThe time-dependent quantity in the cosine argument is the:
APhase
BPeriod
CPulse
DPoint
Answer & Solution
Correct answer: A. Phase
1. It is written as omega t plus phi.
2. Its value at time zero has its own name.
3. It is the phase of the motion.
_Source: syllabus Physics, Ch 13 'Oscillations'_
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