Physics

Problem

Four small-amplitude oscillators are described below. I. Simple pendulum of length

0.40\,\text{m}

II. Simple pendulum of length

0.90\,\text{m}

III.

0.40\,\text{kg}

block on a spring with force constant

10\,\text{N}\!/\!\text{m}

IV.

0.40\,\text{kg}

block on a spring with force constant

60\,\text{N}\!/\!\text{m}

Which oscillator has the shortest period? a) II b) IV c) I d) III