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A simple pendulum of length 0.4m has a period of 2s. What is the period...

Physics
JAMB 2013
A simple pendulum of length 0.4m has a period of 2s. What is the period a similar pendulum of length 0.8m at the same place?
  • A. 8s
  • B. 4s
  • C. 2\(\sqrt{2}s\)
  • D. \(\sqrt{2}s\)
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Correct Answer: Option C
Explanation
T2 = \(\sqrt{\frac{L^2 \times T_1^2}{L_1}}\)

= \(\sqrt{\frac{0.8 \times 2^2}{0.4}}\)

= 2\(\sqrt{2}s\)

There is an explanation video available below.

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Explanation Video

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