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A pendulum bob executing simple harmonic motion has 2cm and 12Hz as amplitude and frequency...

Physics
WAEC 1999

A pendulum bob executing simple harmonic motion has 2cm and 12Hz as amplitude and frequency respectively. Calculate the period of the motion.

  • A. 2.00s
  • B. 0.83s
  • C. 0.08s
  • D. 0.60s
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Correct Answer: Option C
Explanation

Given:
- Frequency \( f = 12 \, \text{Hz} \)

The period \( T \) is the reciprocal of the frequency:
\(T = \frac{1}{f}\)

Substituting the given frequency:
\(T = \frac{1}{12 \, \text{Hz}} \approx 0.0833 \, \text{s}\)

Thus, the period of the motion is approximately:
\(T \approx 0.08 \, \text{s}\).


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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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