Calculate the speed in .

MATHEMATICS · Single correct · CBSE · Mathematics · Proportional Reasoning · Proportional Reasoning

Problem

Calculate the speed

54\,\text{km h}^{-1}

\text{m s}^{-1}

. (a)

18\,\text{m s}^{-1}

(b)

12\,\text{m s}^{-1}

(c)

15\,\text{m s}^{-1}

(d)

20\,\text{m s}^{-1}