Physics

Problem

For a school experiment a pendulum is required to oscillate with a frequency of

0.50\,\text{Hz}

in the laboratory where

g = 9.8\,\text{m\,s}^{-2}

. What approximate length should the lab assistant set? a)

0.50\,\text{m}

1.0\,\text{m}

0.25\,\text{m}

2.0\,\text{m}