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Two pendulums differ only in the mass of the bob. On the period, that mass has an effect that is:
AAdverse
BAgeless
CAbsent
DAbrupt
Answer & Solution
Correct answer: C. Absent
1. The period formula contains length and gravity only.
2. Mass appears nowhere in it.
3. So the effect of the bob mass is absent.
_Source: OpenStax College Physics 2e, Chapter 16, Oscillatory Motion and Waves._
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