A toy car travels round a circular track of radius

PHYSICS · Single correct · GCSE · Physics · Forces · Forces

Problem

14\,\text{m}

, completing one revolution every

4\,\text{s}

. At what constant speed would the horizontal portion of its speed–time graph be drawn? (a)

44\,\text{m/s}

(b)

88\,\text{m/s}

(c)

22\,\text{m/s}

(d)

11\,\text{m/s}