Pendulum period under changed gravity

Pendulum period under changed gravity

Secondary 2
4 marks
TGM Original Questions

Optional extension

A pendulum period \(T\) is inversely proportional to \(\sqrt g\). Its period is \(3\) s at gravitational acceleration \(g\). On another planet, \(g\) is increased by \(300\%\). Find

  1. the new acceleration in terms of \(g\), and[2]
  2. the new period.[2]

Solution:

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Answer:(a) \(4g\) (b) \(1.5\) s.

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